Home / 21,728.27-32,567.55-9,229.97

Finding the Fourth Proportional to 21,728.27, 32,567.55 and 9,229.97

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Solution

The fourth proportional to 21,728.27, 32,567.55 and 9,229.97 is: 13,834.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,728.27 : 32,567.55 = 9,229.97 : x
  2. Step 2: Convert to fraction form
    21,728.27/32,567.55 = 9,229.97/x
  3. Step 3: Cross multiply
    21,728.27x = 32,567.55 × 9,229.97
  4. Step 4: Simplify right side
    21,728.27x = 300,597,346.64
  5. Step 5: Solve for x
    x = 300,597,346.64/21,728.27
  6. Step 6: Final answer
    x = 13,834.39

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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.