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Finding the Fourth Proportional to 26,872.48, 40,302.24 and 8,404.48

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Solution

The fourth proportional to 26,872.48, 40,302.24 and 8,404.48 is: 12,604.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,872.48 : 40,302.24 = 8,404.48 : x
  2. Step 2: Convert to fraction form
    26,872.48/40,302.24 = 8,404.48/x
  3. Step 3: Cross multiply
    26,872.48x = 40,302.24 × 8,404.48
  4. Step 4: Simplify right side
    26,872.48x = 338,719,370.04
  5. Step 5: Solve for x
    x = 338,719,370.04/26,872.48
  6. Step 6: Final answer
    x = 12,604.69

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1.5x scale

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.