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Finding the Fourth Proportional to 27,960.32, 41,941.80 and 8,239.05

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Solution

The fourth proportional to 27,960.32, 41,941.80 and 8,239.05 is: 12,358.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,960.32 : 41,941.80 = 8,239.05 : x
  2. Step 2: Convert to fraction form
    27,960.32/41,941.80 = 8,239.05/x
  3. Step 3: Cross multiply
    27,960.32x = 41,941.80 × 8,239.05
  4. Step 4: Simplify right side
    27,960.32x = 345,560,587.29
  5. Step 5: Solve for x
    x = 345,560,587.29/27,960.32
  6. Step 6: Final answer
    x = 12,358.96

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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.