Home / 27,198.89-40,769.15-11,399.97

Finding the Fourth Proportional to 27,198.89, 40,769.15 and 11,399.97

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Solution

The fourth proportional to 27,198.89, 40,769.15 and 11,399.97 is: 17,087.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,198.89 : 40,769.15 = 11,399.97 : x
  2. Step 2: Convert to fraction form
    27,198.89/40,769.15 = 11,399.97/x
  3. Step 3: Cross multiply
    27,198.89x = 40,769.15 × 11,399.97
  4. Step 4: Simplify right side
    27,198.89x = 464,767,029.93
  5. Step 5: Solve for x
    x = 464,767,029.93/27,198.89
  6. Step 6: Final answer
    x = 17,087.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.