Home / 29,644.62-40,909.03-16,215.75

Finding the Fourth Proportional to 29,644.62, 40,909.03 and 16,215.75

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Solution

The fourth proportional to 29,644.62, 40,909.03 and 16,215.75 is: 22,377.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,644.62 : 40,909.03 = 16,215.75 : x
  2. Step 2: Convert to fraction form
    29,644.62/40,909.03 = 16,215.75/x
  3. Step 3: Cross multiply
    29,644.62x = 40,909.03 × 16,215.75
  4. Step 4: Simplify right side
    29,644.62x = 663,370,768.95
  5. Step 5: Solve for x
    x = 663,370,768.95/29,644.62
  6. Step 6: Final answer
    x = 22,377.44

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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.