Home / 38,404.38-57,595.25-13,439.77

Finding the Fourth Proportional to 38,404.38, 57,595.25 and 13,439.77

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Solution

The fourth proportional to 38,404.38, 57,595.25 and 13,439.77 is: 20,155.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,404.38 : 57,595.25 = 13,439.77 : x
  2. Step 2: Convert to fraction form
    38,404.38/57,595.25 = 13,439.77/x
  3. Step 3: Cross multiply
    38,404.38x = 57,595.25 × 13,439.77
  4. Step 4: Simplify right side
    38,404.38x = 774,067,126.68
  5. Step 5: Solve for x
    x = 774,067,126.68/38,404.38
  6. Step 6: Final answer
    x = 20,155.70

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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.