Home / 27,722.78-41,584.17-7,731.45

Finding the Fourth Proportional to 27,722.78, 41,584.17 and 7,731.45

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Solution

The fourth proportional to 27,722.78, 41,584.17 and 7,731.45 is: 11,597.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,722.78 : 41,584.17 = 7,731.45 : x
  2. Step 2: Convert to fraction form
    27,722.78/41,584.17 = 7,731.45/x
  3. Step 3: Cross multiply
    27,722.78x = 41,584.17 × 7,731.45
  4. Step 4: Simplify right side
    27,722.78x = 321,505,931.15
  5. Step 5: Solve for x
    x = 321,505,931.15/27,722.78
  6. Step 6: Final answer
    x = 11,597.18

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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.