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Finding the Fourth Proportional to 27,115.10, 40,672.65 and 23,834.60

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Solution

The fourth proportional to 27,115.10, 40,672.65 and 23,834.60 is: 35,751.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,115.10 : 40,672.65 = 23,834.60 : x
  2. Step 2: Convert to fraction form
    27,115.10/40,672.65 = 23,834.60/x
  3. Step 3: Cross multiply
    27,115.10x = 40,672.65 × 23,834.60
  4. Step 4: Simplify right side
    27,115.10x = 969,416,343.69
  5. Step 5: Solve for x
    x = 969,416,343.69/27,115.10
  6. Step 6: Final answer
    x = 35,751.90

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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.