Home / 39,456.92-54,375.18-28,259.48

Finding the Fourth Proportional to 39,456.92, 54,375.18 and 28,259.48

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Solution

The fourth proportional to 39,456.92, 54,375.18 and 28,259.48 is: 38,944.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,456.92 : 54,375.18 = 28,259.48 : x
  2. Step 2: Convert to fraction form
    39,456.92/54,375.18 = 28,259.48/x
  3. Step 3: Cross multiply
    39,456.92x = 54,375.18 × 28,259.48
  4. Step 4: Simplify right side
    39,456.92x = 1,536,614,311.71
  5. Step 5: Solve for x
    x = 1,536,614,311.71/39,456.92
  6. Step 6: Final answer
    x = 38,944.10

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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.