Home / 27,910.57-41,862.55-7,921.82

Finding the Fourth Proportional to 27,910.57, 41,862.55 and 7,921.82

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Solution

The fourth proportional to 27,910.57, 41,862.55 and 7,921.82 is: 11,881.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,910.57 : 41,862.55 = 7,921.82 : x
  2. Step 2: Convert to fraction form
    27,910.57/41,862.55 = 7,921.82/x
  3. Step 3: Cross multiply
    27,910.57x = 41,862.55 × 7,921.82
  4. Step 4: Simplify right side
    27,910.57x = 331,627,585.84
  5. Step 5: Solve for x
    x = 331,627,585.84/27,910.57
  6. Step 6: Final answer
    x = 11,881.79

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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.