Home / 38,278.90-57,414.62-11,625.12

Finding the Fourth Proportional to 38,278.90, 57,414.62 and 11,625.12

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Solution

The fourth proportional to 38,278.90, 57,414.62 and 11,625.12 is: 17,436.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,278.90 : 57,414.62 = 11,625.12 : x
  2. Step 2: Convert to fraction form
    38,278.90/57,414.62 = 11,625.12/x
  3. Step 3: Cross multiply
    38,278.90x = 57,414.62 × 11,625.12
  4. Step 4: Simplify right side
    38,278.90x = 667,451,847.25
  5. Step 5: Solve for x
    x = 667,451,847.25/38,278.90
  6. Step 6: Final answer
    x = 17,436.55

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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.