Home / 26,067.38-39,106.54-11,278.40

Finding the Fourth Proportional to 26,067.38, 39,106.54 and 11,278.40

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Solution

The fourth proportional to 26,067.38, 39,106.54 and 11,278.40 is: 16,919.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,067.38 : 39,106.54 = 11,278.40 : x
  2. Step 2: Convert to fraction form
    26,067.38/39,106.54 = 11,278.40/x
  3. Step 3: Cross multiply
    26,067.38x = 39,106.54 × 11,278.40
  4. Step 4: Simplify right side
    26,067.38x = 441,059,046.58
  5. Step 5: Solve for x
    x = 441,059,046.58/26,067.38
  6. Step 6: Final answer
    x = 16,919.96

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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.