Home / 26,428.68-36,470.79-15,098.13

Finding the Fourth Proportional to 26,428.68, 36,470.79 and 15,098.13

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Solution

The fourth proportional to 26,428.68, 36,470.79 and 15,098.13 is: 20,834.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,428.68 : 36,470.79 = 15,098.13 : x
  2. Step 2: Convert to fraction form
    26,428.68/36,470.79 = 15,098.13/x
  3. Step 3: Cross multiply
    26,428.68x = 36,470.79 × 15,098.13
  4. Step 4: Simplify right side
    26,428.68x = 550,640,728.62
  5. Step 5: Solve for x
    x = 550,640,728.62/26,428.68
  6. Step 6: Final answer
    x = 20,834.97

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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.