Home / 28,032.75-42,049.13-11,401.83

Finding the Fourth Proportional to 28,032.75, 42,049.13 and 11,401.83

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Solution

The fourth proportional to 28,032.75, 42,049.13 and 11,401.83 is: 17,102.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,032.75 : 42,049.13 = 11,401.83 : x
  2. Step 2: Convert to fraction form
    28,032.75/42,049.13 = 11,401.83/x
  3. Step 3: Cross multiply
    28,032.75x = 42,049.13 × 11,401.83
  4. Step 4: Simplify right side
    28,032.75x = 479,436,974.90
  5. Step 5: Solve for x
    x = 479,436,974.90/28,032.75
  6. Step 6: Final answer
    x = 17,102.75

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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.