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Finding the Fourth Proportional to 24,492.78, 36,744.84 and 8,910

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Solution

The fourth proportional to 24,492.78, 36,744.84 and 8,910 is: 13,367.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,492.78 : 36,744.84 = 8,910 : x
  2. Step 2: Convert to fraction form
    24,492.78/36,744.84 = 8,910/x
  3. Step 3: Cross multiply
    24,492.78x = 36,744.84 × 8,910
  4. Step 4: Simplify right side
    24,492.78x = 327,396,524.40
  5. Step 5: Solve for x
    x = 327,396,524.40/24,492.78
  6. Step 6: Final answer
    x = 13,367.06

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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.