Home / 22,273.36-33,578.51-21,067.78

Finding the Fourth Proportional to 22,273.36, 33,578.51 and 21,067.78

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Solution

The fourth proportional to 22,273.36, 33,578.51 and 21,067.78 is: 31,761.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,273.36 : 33,578.51 = 21,067.78 : x
  2. Step 2: Convert to fraction form
    22,273.36/33,578.51 = 21,067.78/x
  3. Step 3: Cross multiply
    22,273.36x = 33,578.51 × 21,067.78
  4. Step 4: Simplify right side
    22,273.36x = 707,424,661.41
  5. Step 5: Solve for x
    x = 707,424,661.41/22,273.36
  6. Step 6: Final answer
    x = 31,761.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.