Home / 26,115.20-39,179.28-12,248

Finding the Fourth Proportional to 26,115.20, 39,179.28 and 12,248

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Solution

The fourth proportional to 26,115.20, 39,179.28 and 12,248 is: 18,375.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,115.20 : 39,179.28 = 12,248 : x
  2. Step 2: Convert to fraction form
    26,115.20/39,179.28 = 12,248/x
  3. Step 3: Cross multiply
    26,115.20x = 39,179.28 × 12,248
  4. Step 4: Simplify right side
    26,115.20x = 479,867,821.44
  5. Step 5: Solve for x
    x = 479,867,821.44/26,115.20
  6. Step 6: Final answer
    x = 18,375.04

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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.