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Finding the Fourth Proportional to 28,736, 43,103.92 and 9,016.04

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Solution

The fourth proportional to 28,736, 43,103.92 and 9,016.04 is: 13,524.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,736 : 43,103.92 = 9,016.04 : x
  2. Step 2: Convert to fraction form
    28,736/43,103.92 = 9,016.04/x
  3. Step 3: Cross multiply
    28,736x = 43,103.92 × 9,016.04
  4. Step 4: Simplify right side
    28,736x = 388,626,666.88
  5. Step 5: Solve for x
    x = 388,626,666.88/28,736
  6. Step 6: Final answer
    x = 13,524.03

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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.