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Finding the Fourth Proportional to 17,060.16, 25,584.48 and 8,289.48

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Solution

The fourth proportional to 17,060.16, 25,584.48 and 8,289.48 is: 12,431.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,060.16 : 25,584.48 = 8,289.48 : x
  2. Step 2: Convert to fraction form
    17,060.16/25,584.48 = 8,289.48/x
  3. Step 3: Cross multiply
    17,060.16x = 25,584.48 × 8,289.48
  4. Step 4: Simplify right side
    17,060.16x = 212,082,035.27
  5. Step 5: Solve for x
    x = 212,082,035.27/17,060.16
  6. Step 6: Final answer
    x = 12,431.42

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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.