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Finding the Fourth Proportional to 17,872.62, 26,790.03 and 6,015.12

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Solution

The fourth proportional to 17,872.62, 26,790.03 and 6,015.12 is: 9,016.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,872.62 : 26,790.03 = 6,015.12 : x
  2. Step 2: Convert to fraction form
    17,872.62/26,790.03 = 6,015.12/x
  3. Step 3: Cross multiply
    17,872.62x = 26,790.03 × 6,015.12
  4. Step 4: Simplify right side
    17,872.62x = 161,145,245.25
  5. Step 5: Solve for x
    x = 161,145,245.25/17,872.62
  6. Step 6: Final answer
    x = 9,016.32

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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.