Home / 21,401.20-32,092.20-8,249.20

Finding the Fourth Proportional to 21,401.20, 32,092.20 and 8,249.20

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Solution

The fourth proportional to 21,401.20, 32,092.20 and 8,249.20 is: 12,370.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,401.20 : 32,092.20 = 8,249.20 : x
  2. Step 2: Convert to fraction form
    21,401.20/32,092.20 = 8,249.20/x
  3. Step 3: Cross multiply
    21,401.20x = 32,092.20 × 8,249.20
  4. Step 4: Simplify right side
    21,401.20x = 264,734,976.24
  5. Step 5: Solve for x
    x = 264,734,976.24/21,401.20
  6. Step 6: Final answer
    x = 12,370.10

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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.