Home / 29,350.62-40,503.72-15,921.82

Finding the Fourth Proportional to 29,350.62, 40,503.72 and 15,921.82

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Solution

The fourth proportional to 29,350.62, 40,503.72 and 15,921.82 is: 21,972.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,350.62 : 40,503.72 = 15,921.82 : x
  2. Step 2: Convert to fraction form
    29,350.62/40,503.72 = 15,921.82/x
  3. Step 3: Cross multiply
    29,350.62x = 40,503.72 × 15,921.82
  4. Step 4: Simplify right side
    29,350.62x = 644,892,939.17
  5. Step 5: Solve for x
    x = 644,892,939.17/29,350.62
  6. Step 6: Final answer
    x = 21,972.04

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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.