Home / 27,679.76-41,513.72-8,961.52

Finding the Fourth Proportional to 27,679.76, 41,513.72 and 8,961.52

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Solution

The fourth proportional to 27,679.76, 41,513.72 and 8,961.52 is: 13,440.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,679.76 : 41,513.72 = 8,961.52 : x
  2. Step 2: Convert to fraction form
    27,679.76/41,513.72 = 8,961.52/x
  3. Step 3: Cross multiply
    27,679.76x = 41,513.72 × 8,961.52
  4. Step 4: Simplify right side
    27,679.76x = 372,026,032.05
  5. Step 5: Solve for x
    x = 372,026,032.05/27,679.76
  6. Step 6: Final answer
    x = 13,440.36

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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.