Home / 27,721.27-41,581.92-7,729.96

Finding the Fourth Proportional to 27,721.27, 41,581.92 and 7,729.96

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Solution

The fourth proportional to 27,721.27, 41,581.92 and 7,729.96 is: 11,594.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,721.27 : 41,581.92 = 7,729.96 : x
  2. Step 2: Convert to fraction form
    27,721.27/41,581.92 = 7,729.96/x
  3. Step 3: Cross multiply
    27,721.27x = 41,581.92 × 7,729.96
  4. Step 4: Simplify right side
    27,721.27x = 321,426,386.64
  5. Step 5: Solve for x
    x = 321,426,386.64/27,721.27
  6. Step 6: Final answer
    x = 11,594.94

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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.