Home / 28,781.30-43,092.23-14,711.03

Finding the Fourth Proportional to 28,781.30, 43,092.23 and 14,711.03

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Solution

The fourth proportional to 28,781.30, 43,092.23 and 14,711.03 is: 22,025.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,781.30 : 43,092.23 = 14,711.03 : x
  2. Step 2: Convert to fraction form
    28,781.30/43,092.23 = 14,711.03/x
  3. Step 3: Cross multiply
    28,781.30x = 43,092.23 × 14,711.03
  4. Step 4: Simplify right side
    28,781.30x = 633,930,799.28
  5. Step 5: Solve for x
    x = 633,930,799.28/28,781.30
  6. Step 6: Final answer
    x = 22,025.79

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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.