Home / 38,251.50-52,772.28-28,203.78

Finding the Fourth Proportional to 38,251.50, 52,772.28 and 28,203.78

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Solution

The fourth proportional to 38,251.50, 52,772.28 and 28,203.78 is: 38,910.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,251.50 : 52,772.28 = 28,203.78 : x
  2. Step 2: Convert to fraction form
    38,251.50/52,772.28 = 28,203.78/x
  3. Step 3: Cross multiply
    38,251.50x = 52,772.28 × 28,203.78
  4. Step 4: Simplify right side
    38,251.50x = 1,488,377,775.22
  5. Step 5: Solve for x
    x = 1,488,377,775.22/38,251.50
  6. Step 6: Final answer
    x = 38,910.31

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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.