Home / 28,167.14-38,879.30-16,238.44

Finding the Fourth Proportional to 28,167.14, 38,879.30 and 16,238.44

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Solution

The fourth proportional to 28,167.14, 38,879.30 and 16,238.44 is: 22,414.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,167.14 : 38,879.30 = 16,238.44 : x
  2. Step 2: Convert to fraction form
    28,167.14/38,879.30 = 16,238.44/x
  3. Step 3: Cross multiply
    28,167.14x = 38,879.30 × 16,238.44
  4. Step 4: Simplify right side
    28,167.14x = 631,339,180.29
  5. Step 5: Solve for x
    x = 631,339,180.29/28,167.14
  6. Step 6: Final answer
    x = 22,414.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.