Home / 27,679.72-41,520.30-8,960.44

Finding the Fourth Proportional to 27,679.72, 41,520.30 and 8,960.44

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Solution

The fourth proportional to 27,679.72, 41,520.30 and 8,960.44 is: 13,440.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,679.72 : 41,520.30 = 8,960.44 : x
  2. Step 2: Convert to fraction form
    27,679.72/41,520.30 = 8,960.44/x
  3. Step 3: Cross multiply
    27,679.72x = 41,520.30 × 8,960.44
  4. Step 4: Simplify right side
    27,679.72x = 372,040,156.93
  5. Step 5: Solve for x
    x = 372,040,156.93/27,679.72
  6. Step 6: Final answer
    x = 13,440.89

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1.5x scale

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.