Home / 20,589.15-30,926.52-16,644.87

Finding the Fourth Proportional to 20,589.15, 30,926.52 and 16,644.87

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Solution

The fourth proportional to 20,589.15, 30,926.52 and 16,644.87 is: 25,001.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,589.15 : 30,926.52 = 16,644.87 : x
  2. Step 2: Convert to fraction form
    20,589.15/30,926.52 = 16,644.87/x
  3. Step 3: Cross multiply
    20,589.15x = 30,926.52 × 16,644.87
  4. Step 4: Simplify right side
    20,589.15x = 514,767,904.95
  5. Step 5: Solve for x
    x = 514,767,904.95/20,589.15
  6. Step 6: Final answer
    x = 25,001.90

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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.