Home / 25,156.11-34,714.01-15,079.50

Finding the Fourth Proportional to 25,156.11, 34,714.01 and 15,079.50

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Solution

The fourth proportional to 25,156.11, 34,714.01 and 15,079.50 is: 20,808.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,156.11 : 34,714.01 = 15,079.50 : x
  2. Step 2: Convert to fraction form
    25,156.11/34,714.01 = 15,079.50/x
  3. Step 3: Cross multiply
    25,156.11x = 34,714.01 × 15,079.50
  4. Step 4: Simplify right side
    25,156.11x = 523,469,913.80
  5. Step 5: Solve for x
    x = 523,469,913.80/25,156.11
  6. Step 6: Final answer
    x = 20,808.86

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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.