Home / 20,732.45-28,610.76-11,301.62

Finding the Fourth Proportional to 20,732.45, 28,610.76 and 11,301.62

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Solution

The fourth proportional to 20,732.45, 28,610.76 and 11,301.62 is: 15,596.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,732.45 : 28,610.76 = 11,301.62 : x
  2. Step 2: Convert to fraction form
    20,732.45/28,610.76 = 11,301.62/x
  3. Step 3: Cross multiply
    20,732.45x = 28,610.76 × 11,301.62
  4. Step 4: Simplify right side
    20,732.45x = 323,347,794.38
  5. Step 5: Solve for x
    x = 323,347,794.38/20,732.45
  6. Step 6: Final answer
    x = 15,596.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.