Home / 27,796.79-38,359.57-15,049.97

Finding the Fourth Proportional to 27,796.79, 38,359.57 and 15,049.97

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Solution

The fourth proportional to 27,796.79, 38,359.57 and 15,049.97 is: 20,768.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,796.79 : 38,359.57 = 15,049.97 : x
  2. Step 2: Convert to fraction form
    27,796.79/38,359.57 = 15,049.97/x
  3. Step 3: Cross multiply
    27,796.79x = 38,359.57 × 15,049.97
  4. Step 4: Simplify right side
    27,796.79x = 577,310,185.92
  5. Step 5: Solve for x
    x = 577,310,185.92/27,796.79
  6. Step 6: Final answer
    x = 20,768.96

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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.