Home / 28,464.92-42,679.10-11,836.52

Finding the Fourth Proportional to 28,464.92, 42,679.10 and 11,836.52

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Solution

The fourth proportional to 28,464.92, 42,679.10 and 11,836.52 is: 17,747.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,464.92 : 42,679.10 = 11,836.52 : x
  2. Step 2: Convert to fraction form
    28,464.92/42,679.10 = 11,836.52/x
  3. Step 3: Cross multiply
    28,464.92x = 42,679.10 × 11,836.52
  4. Step 4: Simplify right side
    28,464.92x = 505,172,020.73
  5. Step 5: Solve for x
    x = 505,172,020.73/28,464.92
  6. Step 6: Final answer
    x = 17,747.18

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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.