Home / 26,851.20-40,289.67-11,067.72

Finding the Fourth Proportional to 26,851.20, 40,289.67 and 11,067.72

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Solution

The fourth proportional to 26,851.20, 40,289.67 and 11,067.72 is: 16,606.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,851.20 : 40,289.67 = 11,067.72 : x
  2. Step 2: Convert to fraction form
    26,851.20/40,289.67 = 11,067.72/x
  3. Step 3: Cross multiply
    26,851.20x = 40,289.67 × 11,067.72
  4. Step 4: Simplify right side
    26,851.20x = 445,914,786.45
  5. Step 5: Solve for x
    x = 445,914,786.45/26,851.20
  6. Step 6: Final answer
    x = 16,606.88

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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.