Home / 27,921.70-41,882.47-11,281.54

Finding the Fourth Proportional to 27,921.70, 41,882.47 and 11,281.54

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Solution

The fourth proportional to 27,921.70, 41,882.47 and 11,281.54 is: 16,922.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,921.70 : 41,882.47 = 11,281.54 : x
  2. Step 2: Convert to fraction form
    27,921.70/41,882.47 = 11,281.54/x
  3. Step 3: Cross multiply
    27,921.70x = 41,882.47 × 11,281.54
  4. Step 4: Simplify right side
    27,921.70x = 472,498,627.69
  5. Step 5: Solve for x
    x = 472,498,627.69/27,921.70
  6. Step 6: Final answer
    x = 16,922.27

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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.