Home / 20,588.13-30,882.20-5,005.62

Finding the Fourth Proportional to 20,588.13, 30,882.20 and 5,005.62

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Solution

The fourth proportional to 20,588.13, 30,882.20 and 5,005.62 is: 7,508.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,588.13 : 30,882.20 = 5,005.62 : x
  2. Step 2: Convert to fraction form
    20,588.13/30,882.20 = 5,005.62/x
  3. Step 3: Cross multiply
    20,588.13x = 30,882.20 × 5,005.62
  4. Step 4: Simplify right side
    20,588.13x = 154,584,532.94
  5. Step 5: Solve for x
    x = 154,584,532.94/20,588.13
  6. Step 6: Final answer
    x = 7,508.43

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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.