Home / 20,423.67-30,635.68-5,632.26

Finding the Fourth Proportional to 20,423.67, 30,635.68 and 5,632.26

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Solution

The fourth proportional to 20,423.67, 30,635.68 and 5,632.26 is: 8,448.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,423.67 : 30,635.68 = 5,632.26 : x
  2. Step 2: Convert to fraction form
    20,423.67/30,635.68 = 5,632.26/x
  3. Step 3: Cross multiply
    20,423.67x = 30,635.68 × 5,632.26
  4. Step 4: Simplify right side
    20,423.67x = 172,548,115.04
  5. Step 5: Solve for x
    x = 172,548,115.04/20,423.67
  6. Step 6: Final answer
    x = 8,448.44

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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.