Home / 28,926.30-43,339.92-15,787.90

Finding the Fourth Proportional to 28,926.30, 43,339.92 and 15,787.90

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Solution

The fourth proportional to 28,926.30, 43,339.92 and 15,787.90 is: 23,654.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,926.30 : 43,339.92 = 15,787.90 : x
  2. Step 2: Convert to fraction form
    28,926.30/43,339.92 = 15,787.90/x
  3. Step 3: Cross multiply
    28,926.30x = 43,339.92 × 15,787.90
  4. Step 4: Simplify right side
    28,926.30x = 684,246,322.97
  5. Step 5: Solve for x
    x = 684,246,322.97/28,926.30
  6. Step 6: Final answer
    x = 23,654.82

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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.