Home / 21,336.62-29,444.45-12,385.85

Finding the Fourth Proportional to 21,336.62, 29,444.45 and 12,385.85

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Solution

The fourth proportional to 21,336.62, 29,444.45 and 12,385.85 is: 17,092.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,336.62 : 29,444.45 = 12,385.85 : x
  2. Step 2: Convert to fraction form
    21,336.62/29,444.45 = 12,385.85/x
  3. Step 3: Cross multiply
    21,336.62x = 29,444.45 × 12,385.85
  4. Step 4: Simplify right side
    21,336.62x = 364,694,331.88
  5. Step 5: Solve for x
    x = 364,694,331.88/21,336.62
  6. Step 6: Final answer
    x = 17,092.42

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.