Home / 26,067.69-39,107.01-11,278.71

Finding the Fourth Proportional to 26,067.69, 39,107.01 and 11,278.71

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Solution

The fourth proportional to 26,067.69, 39,107.01 and 11,278.71 is: 16,920.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,067.69 : 39,107.01 = 11,278.71 : x
  2. Step 2: Convert to fraction form
    26,067.69/39,107.01 = 11,278.71/x
  3. Step 3: Cross multiply
    26,067.69x = 39,107.01 × 11,278.71
  4. Step 4: Simplify right side
    26,067.69x = 441,076,568.36
  5. Step 5: Solve for x
    x = 441,076,568.36/26,067.69
  6. Step 6: Final answer
    x = 16,920.43

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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.