21.86 is what percent of 516 - step by step solution

To get the solution, we are looking for, we need to point out what we know.

1. We assume, that the number 516 is 100% - because it's the output value of the task.
2. We assume, that x is the value we are looking for.
3. If 100% equals 516, so we can write it down as 100%=516.
4. We know, that x% equals 21.86 of the output value, so we can write it down as x%=21.86.
5. Now we have two simple equations:
1) 100%=516
2) x%=21.86
where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:
100%/x%=516/21.86
6. Now we just have to solve the simple equation, and we will get the solution we are looking for.

7. Solution for 21.86 is what percent of 516

100%/x%=516/21.86
(100/x)*x=(516/21.86)*x       - we multiply both sides of the equation by x
100=23.604757548033*x       - we divide both sides of the equation by (23.604757548033) to get x
100/23.604757548033=x
4.2364341085271=x
x=4.2364341085271

now we have:
21.86 is 4.2364341085271% of 516