Home / 17,115.80-25,627.34-8,890.52

Finding the Fourth Proportional to 17,115.80, 25,627.34 and 8,890.52

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Solution

The fourth proportional to 17,115.80, 25,627.34 and 8,890.52 is: 13,311.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,115.80 : 25,627.34 = 8,890.52 : x
  2. Step 2: Convert to fraction form
    17,115.80/25,627.34 = 8,890.52/x
  3. Step 3: Cross multiply
    17,115.80x = 25,627.34 × 8,890.52
  4. Step 4: Simplify right side
    17,115.80x = 227,840,378.82
  5. Step 5: Solve for x
    x = 227,840,378.82/17,115.80
  6. Step 6: Final answer
    x = 13,311.70

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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.