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Finding the Fourth Proportional to 26,672.76, 40,007.88 and 6,682.44

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Solution

The fourth proportional to 26,672.76, 40,007.88 and 6,682.44 is: 10,023.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,672.76 : 40,007.88 = 6,682.44 : x
  2. Step 2: Convert to fraction form
    26,672.76/40,007.88 = 6,682.44/x
  3. Step 3: Cross multiply
    26,672.76x = 40,007.88 × 6,682.44
  4. Step 4: Simplify right side
    26,672.76x = 267,350,257.63
  5. Step 5: Solve for x
    x = 267,350,257.63/26,672.76
  6. Step 6: Final answer
    x = 10,023.34

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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.