Home / 29,265.10-40,385.84-15,836.31

Finding the Fourth Proportional to 29,265.10, 40,385.84 and 15,836.31

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Solution

The fourth proportional to 29,265.10, 40,385.84 and 15,836.31 is: 21,854.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,265.10 : 40,385.84 = 15,836.31 : x
  2. Step 2: Convert to fraction form
    29,265.10/40,385.84 = 15,836.31/x
  3. Step 3: Cross multiply
    29,265.10x = 40,385.84 × 15,836.31
  4. Step 4: Simplify right side
    29,265.10x = 639,562,691.75
  5. Step 5: Solve for x
    x = 639,562,691.75/29,265.10
  6. Step 6: Final answer
    x = 21,854.11

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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.