Home / 18,481.40-27,726.20-5,332.75

Finding the Fourth Proportional to 18,481.40, 27,726.20 and 5,332.75

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Solution

The fourth proportional to 18,481.40, 27,726.20 and 5,332.75 is: 8,000.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,481.40 : 27,726.20 = 5,332.75 : x
  2. Step 2: Convert to fraction form
    18,481.40/27,726.20 = 5,332.75/x
  3. Step 3: Cross multiply
    18,481.40x = 27,726.20 × 5,332.75
  4. Step 4: Simplify right side
    18,481.40x = 147,856,893.05
  5. Step 5: Solve for x
    x = 147,856,893.05/18,481.40
  6. Step 6: Final answer
    x = 8,000.31

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1.5x scale

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.