Home / 28,519.43-39,372.35-17,191.85

Finding the Fourth Proportional to 28,519.43, 39,372.35 and 17,191.85

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Solution

The fourth proportional to 28,519.43, 39,372.35 and 17,191.85 is: 23,734.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,519.43 : 39,372.35 = 17,191.85 : x
  2. Step 2: Convert to fraction form
    28,519.43/39,372.35 = 17,191.85/x
  3. Step 3: Cross multiply
    28,519.43x = 39,372.35 × 17,191.85
  4. Step 4: Simplify right side
    28,519.43x = 676,883,252.53
  5. Step 5: Solve for x
    x = 676,883,252.53/28,519.43
  6. Step 6: Final answer
    x = 23,734.11

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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.