Home / 21,032.33-31,517.32-8,537.15

Finding the Fourth Proportional to 21,032.33, 31,517.32 and 8,537.15

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Solution

The fourth proportional to 21,032.33, 31,517.32 and 8,537.15 is: 12,793.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,032.33 : 31,517.32 = 8,537.15 : x
  2. Step 2: Convert to fraction form
    21,032.33/31,517.32 = 8,537.15/x
  3. Step 3: Cross multiply
    21,032.33x = 31,517.32 × 8,537.15
  4. Step 4: Simplify right side
    21,032.33x = 269,067,930.85
  5. Step 5: Solve for x
    x = 269,067,930.85/21,032.33
  6. Step 6: Final answer
    x = 12,793.07

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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.