Home / 28,207.22-38,930.12-16,268.24

Finding the Fourth Proportional to 28,207.22, 38,930.12 and 16,268.24

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Solution

The fourth proportional to 28,207.22, 38,930.12 and 16,268.24 is: 22,452.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,207.22 : 38,930.12 = 16,268.24 : x
  2. Step 2: Convert to fraction form
    28,207.22/38,930.12 = 16,268.24/x
  3. Step 3: Cross multiply
    28,207.22x = 38,930.12 × 16,268.24
  4. Step 4: Simplify right side
    28,207.22x = 633,324,535.39
  5. Step 5: Solve for x
    x = 633,324,535.39/28,207.22
  6. Step 6: Final answer
    x = 22,452.57

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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.