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Finding the Fourth Proportional to 66,826.36, 100,227.43 and 26,843.73

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Solution

The fourth proportional to 66,826.36, 100,227.43 and 26,843.73 is: 40,260.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,826.36 : 100,227.43 = 26,843.73 : x
  2. Step 2: Convert to fraction form
    66,826.36/100,227.43 = 26,843.73/x
  3. Step 3: Cross multiply
    66,826.36x = 100,227.43 × 26,843.73
  4. Step 4: Simplify right side
    66,826.36x = 2,690,477,727.22
  5. Step 5: Solve for x
    x = 2,690,477,727.22/66,826.36
  6. Step 6: Final answer
    x = 40,260.72

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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.