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Finding the Fourth Proportional to 43,632, 65,448 and 10,800

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Solution

The fourth proportional to 43,632, 65,448 and 10,800 is: 16,200

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,632 : 65,448 = 10,800 : x
  2. Step 2: Convert to fraction form
    43,632/65,448 = 10,800/x
  3. Step 3: Cross multiply
    43,632x = 65,448 × 10,800
  4. Step 4: Simplify right side
    43,632x = 706,838,400
  5. Step 5: Solve for x
    x = 706,838,400/43,632
  6. Step 6: Final answer
    x = 16,200

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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.