Home / 29,306.14-40,442.49-15,877.42

Finding the Fourth Proportional to 29,306.14, 40,442.49 and 15,877.42

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Solution

The fourth proportional to 29,306.14, 40,442.49 and 15,877.42 is: 21,910.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,306.14 : 40,442.49 = 15,877.42 : x
  2. Step 2: Convert to fraction form
    29,306.14/40,442.49 = 15,877.42/x
  3. Step 3: Cross multiply
    29,306.14x = 40,442.49 × 15,877.42
  4. Step 4: Simplify right side
    29,306.14x = 642,122,399.58
  5. Step 5: Solve for x
    x = 642,122,399.58/29,306.14
  6. Step 6: Final answer
    x = 21,910.85

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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.