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Finding the Fourth Proportional to 17,248.18, 25,850.64 and 7,375.87

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Solution

The fourth proportional to 17,248.18, 25,850.64 and 7,375.87 is: 11,054.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,248.18 : 25,850.64 = 7,375.87 : x
  2. Step 2: Convert to fraction form
    17,248.18/25,850.64 = 7,375.87/x
  3. Step 3: Cross multiply
    17,248.18x = 25,850.64 × 7,375.87
  4. Step 4: Simplify right side
    17,248.18x = 190,670,960.06
  5. Step 5: Solve for x
    x = 190,670,960.06/17,248.18
  6. Step 6: Final answer
    x = 11,054.56

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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.