Home / 26,657.38-39,957.36-13,510.78

Finding the Fourth Proportional to 26,657.38, 39,957.36 and 13,510.78

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Solution

The fourth proportional to 26,657.38, 39,957.36 and 13,510.78 is: 20,251.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,657.38 : 39,957.36 = 13,510.78 : x
  2. Step 2: Convert to fraction form
    26,657.38/39,957.36 = 13,510.78/x
  3. Step 3: Cross multiply
    26,657.38x = 39,957.36 × 13,510.78
  4. Step 4: Simplify right side
    26,657.38x = 539,855,100.34
  5. Step 5: Solve for x
    x = 539,855,100.34/26,657.38
  6. Step 6: Final answer
    x = 20,251.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.