Home / 27,571.80-38,049.39-15,474.96

Finding the Fourth Proportional to 27,571.80, 38,049.39 and 15,474.96

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Solution

The fourth proportional to 27,571.80, 38,049.39 and 15,474.96 is: 21,355.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,571.80 : 38,049.39 = 15,474.96 : x
  2. Step 2: Convert to fraction form
    27,571.80/38,049.39 = 15,474.96/x
  3. Step 3: Cross multiply
    27,571.80x = 38,049.39 × 15,474.96
  4. Step 4: Simplify right side
    27,571.80x = 588,812,788.27
  5. Step 5: Solve for x
    x = 588,812,788.27/27,571.80
  6. Step 6: Final answer
    x = 21,355.62

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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.