Home / 17,255.61-25,907.18-13,747.77

Finding the Fourth Proportional to 17,255.61, 25,907.18 and 13,747.77

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Solution

The fourth proportional to 17,255.61, 25,907.18 and 13,747.77 is: 20,640.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,255.61 : 25,907.18 = 13,747.77 : x
  2. Step 2: Convert to fraction form
    17,255.61/25,907.18 = 13,747.77/x
  3. Step 3: Cross multiply
    17,255.61x = 25,907.18 × 13,747.77
  4. Step 4: Simplify right side
    17,255.61x = 356,165,883.25
  5. Step 5: Solve for x
    x = 356,165,883.25/17,255.61
  6. Step 6: Final answer
    x = 20,640.58

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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.