Home / 26,655.38-39,954.36-13,508.78

Finding the Fourth Proportional to 26,655.38, 39,954.36 and 13,508.78

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Solution

The fourth proportional to 26,655.38, 39,954.36 and 13,508.78 is: 20,248.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,655.38 : 39,954.36 = 13,508.78 : x
  2. Step 2: Convert to fraction form
    26,655.38/39,954.36 = 13,508.78/x
  3. Step 3: Cross multiply
    26,655.38x = 39,954.36 × 13,508.78
  4. Step 4: Simplify right side
    26,655.38x = 539,734,510.17
  5. Step 5: Solve for x
    x = 539,734,510.17/26,655.38
  6. Step 6: Final answer
    x = 20,248.62

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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.