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Finding the Fourth Proportional to 27,685.44, 41,534.76 and 8,965.49

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Solution

The fourth proportional to 27,685.44, 41,534.76 and 8,965.49 is: 13,450.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,685.44 : 41,534.76 = 8,965.49 : x
  2. Step 2: Convert to fraction form
    27,685.44/41,534.76 = 8,965.49/x
  3. Step 3: Cross multiply
    27,685.44x = 41,534.76 × 8,965.49
  4. Step 4: Simplify right side
    27,685.44x = 372,379,475.43
  5. Step 5: Solve for x
    x = 372,379,475.43/27,685.44
  6. Step 6: Final answer
    x = 13,450.37

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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.