Home / 18,002.55-27,003.83-15,086.55

Finding the Fourth Proportional to 18,002.55, 27,003.83 and 15,086.55

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Solution

The fourth proportional to 18,002.55, 27,003.83 and 15,086.55 is: 22,629.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,002.55 : 27,003.83 = 15,086.55 : x
  2. Step 2: Convert to fraction form
    18,002.55/27,003.83 = 15,086.55/x
  3. Step 3: Cross multiply
    18,002.55x = 27,003.83 × 15,086.55
  4. Step 4: Simplify right side
    18,002.55x = 407,394,556.05
  5. Step 5: Solve for x
    x = 407,394,556.05/18,002.55
  6. Step 6: Final answer
    x = 22,629.83

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Similar ratio
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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.