Home / 21,044.62-29,052.11-13,089.42

Finding the Fourth Proportional to 21,044.62, 29,052.11 and 13,089.42

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Solution

The fourth proportional to 21,044.62, 29,052.11 and 13,089.42 is: 18,069.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,044.62 : 29,052.11 = 13,089.42 : x
  2. Step 2: Convert to fraction form
    21,044.62/29,052.11 = 13,089.42/x
  3. Step 3: Cross multiply
    21,044.62x = 29,052.11 × 13,089.42
  4. Step 4: Simplify right side
    21,044.62x = 380,275,269.68
  5. Step 5: Solve for x
    x = 380,275,269.68/21,044.62
  6. Step 6: Final answer
    x = 18,069.95

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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.