Home / 28,035.88-38,687.97-17,425.42

Finding the Fourth Proportional to 28,035.88, 38,687.97 and 17,425.42

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Solution

The fourth proportional to 28,035.88, 38,687.97 and 17,425.42 is: 24,046.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,035.88 : 38,687.97 = 17,425.42 : x
  2. Step 2: Convert to fraction form
    28,035.88/38,687.97 = 17,425.42/x
  3. Step 3: Cross multiply
    28,035.88x = 38,687.97 × 17,425.42
  4. Step 4: Simplify right side
    28,035.88x = 674,154,126.20
  5. Step 5: Solve for x
    x = 674,154,126.20/28,035.88
  6. Step 6: Final answer
    x = 24,046.12

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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.