Home / 29,301.72-40,436.56-16,381

Finding the Fourth Proportional to 29,301.72, 40,436.56 and 16,381

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Solution

The fourth proportional to 29,301.72, 40,436.56 and 16,381 is: 22,605.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,301.72 : 40,436.56 = 16,381 : x
  2. Step 2: Convert to fraction form
    29,301.72/40,436.56 = 16,381/x
  3. Step 3: Cross multiply
    29,301.72x = 40,436.56 × 16,381
  4. Step 4: Simplify right side
    29,301.72x = 662,391,289.36
  5. Step 5: Solve for x
    x = 662,391,289.36/29,301.72
  6. Step 6: Final answer
    x = 22,605.88

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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.