Home / 27,507.16-37,959.60-15,570.28

Finding the Fourth Proportional to 27,507.16, 37,959.60 and 15,570.28

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Solution

The fourth proportional to 27,507.16, 37,959.60 and 15,570.28 is: 21,486.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,507.16 : 37,959.60 = 15,570.28 : x
  2. Step 2: Convert to fraction form
    27,507.16/37,959.60 = 15,570.28/x
  3. Step 3: Cross multiply
    27,507.16x = 37,959.60 × 15,570.28
  4. Step 4: Simplify right side
    27,507.16x = 591,041,600.69
  5. Step 5: Solve for x
    x = 591,041,600.69/27,507.16
  6. Step 6: Final answer
    x = 21,486.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.