Home / 20,568.12-30,866.04-8,882.52

Finding the Fourth Proportional to 20,568.12, 30,866.04 and 8,882.52

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Solution

The fourth proportional to 20,568.12, 30,866.04 and 8,882.52 is: 13,329.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,568.12 : 30,866.04 = 8,882.52 : x
  2. Step 2: Convert to fraction form
    20,568.12/30,866.04 = 8,882.52/x
  3. Step 3: Cross multiply
    20,568.12x = 30,866.04 × 8,882.52
  4. Step 4: Simplify right side
    20,568.12x = 274,168,217.62
  5. Step 5: Solve for x
    x = 274,168,217.62/20,568.12
  6. Step 6: Final answer
    x = 13,329.77

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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.