Home / 28,517.89-39,344.94-17,183.12

Finding the Fourth Proportional to 28,517.89, 39,344.94 and 17,183.12

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Solution

The fourth proportional to 28,517.89, 39,344.94 and 17,183.12 is: 23,706.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,517.89 : 39,344.94 = 17,183.12 : x
  2. Step 2: Convert to fraction form
    28,517.89/39,344.94 = 17,183.12/x
  3. Step 3: Cross multiply
    28,517.89x = 39,344.94 × 17,183.12
  4. Step 4: Simplify right side
    28,517.89x = 676,068,825.41
  5. Step 5: Solve for x
    x = 676,068,825.41/28,517.89
  6. Step 6: Final answer
    x = 23,706.83

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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.