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Finding the Fourth Proportional to 27,296.52, 40,945.29 and 8,576.21

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Solution

The fourth proportional to 27,296.52, 40,945.29 and 8,576.21 is: 12,864.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,296.52 : 40,945.29 = 8,576.21 : x
  2. Step 2: Convert to fraction form
    27,296.52/40,945.29 = 8,576.21/x
  3. Step 3: Cross multiply
    27,296.52x = 40,945.29 × 8,576.21
  4. Step 4: Simplify right side
    27,296.52x = 351,155,405.55
  5. Step 5: Solve for x
    x = 351,155,405.55/27,296.52
  6. Step 6: Final answer
    x = 12,864.48

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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.