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Finding the Fourth Proportional to 17,994.38, 27,001.28 and 8,760.38

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Solution

The fourth proportional to 17,994.38, 27,001.28 and 8,760.38 is: 13,145.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,994.38 : 27,001.28 = 8,760.38 : x
  2. Step 2: Convert to fraction form
    17,994.38/27,001.28 = 8,760.38/x
  3. Step 3: Cross multiply
    17,994.38x = 27,001.28 × 8,760.38
  4. Step 4: Simplify right side
    17,994.38x = 236,541,360.18
  5. Step 5: Solve for x
    x = 236,541,360.18/17,994.38
  6. Step 6: Final answer
    x = 13,145.29

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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.