Home / 20,452.24-28,207.19-14,422.55

Finding the Fourth Proportional to 20,452.24, 28,207.19 and 14,422.55

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Solution

The fourth proportional to 20,452.24, 28,207.19 and 14,422.55 is: 19,891.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,452.24 : 28,207.19 = 14,422.55 : x
  2. Step 2: Convert to fraction form
    20,452.24/28,207.19 = 14,422.55/x
  3. Step 3: Cross multiply
    20,452.24x = 28,207.19 × 14,422.55
  4. Step 4: Simplify right side
    20,452.24x = 406,819,536.02
  5. Step 5: Solve for x
    x = 406,819,536.02/20,452.24
  6. Step 6: Final answer
    x = 19,891.20

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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.