Home / 27,517.40-37,972.50-16,188.20

Finding the Fourth Proportional to 27,517.40, 37,972.50 and 16,188.20

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Solution

The fourth proportional to 27,517.40, 37,972.50 and 16,188.20 is: 22,338.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,517.40 : 37,972.50 = 16,188.20 : x
  2. Step 2: Convert to fraction form
    27,517.40/37,972.50 = 16,188.20/x
  3. Step 3: Cross multiply
    27,517.40x = 37,972.50 × 16,188.20
  4. Step 4: Simplify right side
    27,517.40x = 614,706,424.50
  5. Step 5: Solve for x
    x = 614,706,424.50/27,517.40
  6. Step 6: Final answer
    x = 22,338.83

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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.