Home / 28,693.92-39,597.33-15,947.13

Finding the Fourth Proportional to 28,693.92, 39,597.33 and 15,947.13

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Solution

The fourth proportional to 28,693.92, 39,597.33 and 15,947.13 is: 22,006.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,693.92 : 39,597.33 = 15,947.13 : x
  2. Step 2: Convert to fraction form
    28,693.92/39,597.33 = 15,947.13/x
  3. Step 3: Cross multiply
    28,693.92x = 39,597.33 × 15,947.13
  4. Step 4: Simplify right side
    28,693.92x = 631,463,769.16
  5. Step 5: Solve for x
    x = 631,463,769.16/28,693.92
  6. Step 6: Final answer
    x = 22,006.88

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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.