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Finding the Fourth Proportional to 44,992.16, 67,489.20 and 15,444

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Solution

The fourth proportional to 44,992.16, 67,489.20 and 15,444 is: 23,166.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,992.16 : 67,489.20 = 15,444 : x
  2. Step 2: Convert to fraction form
    44,992.16/67,489.20 = 15,444/x
  3. Step 3: Cross multiply
    44,992.16x = 67,489.20 × 15,444
  4. Step 4: Simplify right side
    44,992.16x = 1,042,303,204.80
  5. Step 5: Solve for x
    x = 1,042,303,204.80/44,992.16
  6. Step 6: Final answer
    x = 23,166.33

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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.