Home / 26,906.10-40,359.15-21,067.70

Finding the Fourth Proportional to 26,906.10, 40,359.15 and 21,067.70

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Solution

The fourth proportional to 26,906.10, 40,359.15 and 21,067.70 is: 31,601.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,906.10 : 40,359.15 = 21,067.70 : x
  2. Step 2: Convert to fraction form
    26,906.10/40,359.15 = 21,067.70/x
  3. Step 3: Cross multiply
    26,906.10x = 40,359.15 × 21,067.70
  4. Step 4: Simplify right side
    26,906.10x = 850,274,464.46
  5. Step 5: Solve for x
    x = 850,274,464.46/26,906.10
  6. Step 6: Final answer
    x = 31,601.55

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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.