Home / 38,218.26-57,328.86-18,217.44

Finding the Fourth Proportional to 38,218.26, 57,328.86 and 18,217.44

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Solution

The fourth proportional to 38,218.26, 57,328.86 and 18,217.44 is: 27,326.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,218.26 : 57,328.86 = 18,217.44 : x
  2. Step 2: Convert to fraction form
    38,218.26/57,328.86 = 18,217.44/x
  3. Step 3: Cross multiply
    38,218.26x = 57,328.86 × 18,217.44
  4. Step 4: Simplify right side
    38,218.26x = 1,044,385,067.32
  5. Step 5: Solve for x
    x = 1,044,385,067.32/38,218.26
  6. Step 6: Final answer
    x = 27,326.86

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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.