Home / 28,687.49-39,591.82-17,363.22

Finding the Fourth Proportional to 28,687.49, 39,591.82 and 17,363.22

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Solution

The fourth proportional to 28,687.49, 39,591.82 and 17,363.22 is: 23,963.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,687.49 : 39,591.82 = 17,363.22 : x
  2. Step 2: Convert to fraction form
    28,687.49/39,591.82 = 17,363.22/x
  3. Step 3: Cross multiply
    28,687.49x = 39,591.82 × 17,363.22
  4. Step 4: Simplify right side
    28,687.49x = 687,441,282.90
  5. Step 5: Solve for x
    x = 687,441,282.90/28,687.49
  6. Step 6: Final answer
    x = 23,963.10

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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.