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Finding the Fourth Proportional to 27,253.84, 40,872.04 and 8,781.52

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Solution

The fourth proportional to 27,253.84, 40,872.04 and 8,781.52 is: 13,169.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,253.84 : 40,872.04 = 8,781.52 : x
  2. Step 2: Convert to fraction form
    27,253.84/40,872.04 = 8,781.52/x
  3. Step 3: Cross multiply
    27,253.84x = 40,872.04 × 8,781.52
  4. Step 4: Simplify right side
    27,253.84x = 358,918,636.70
  5. Step 5: Solve for x
    x = 358,918,636.70/27,253.84
  6. Step 6: Final answer
    x = 13,169.47

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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.