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Finding the Fourth Proportional to 17,439, 26,174.79 and 13,567.92

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Solution

The fourth proportional to 17,439, 26,174.79 and 13,567.92 is: 20,364.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,439 : 26,174.79 = 13,567.92 : x
  2. Step 2: Convert to fraction form
    17,439/26,174.79 = 13,567.92/x
  3. Step 3: Cross multiply
    17,439x = 26,174.79 × 13,567.92
  4. Step 4: Simplify right side
    17,439x = 355,137,456.74
  5. Step 5: Solve for x
    x = 355,137,456.74/17,439
  6. Step 6: Final answer
    x = 20,364.55

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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.