Home / 22,821.20-34,183.20-18,933.20

Finding the Fourth Proportional to 22,821.20, 34,183.20 and 18,933.20

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Solution

The fourth proportional to 22,821.20, 34,183.20 and 18,933.20 is: 28,359.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,821.20 : 34,183.20 = 18,933.20 : x
  2. Step 2: Convert to fraction form
    22,821.20/34,183.20 = 18,933.20/x
  3. Step 3: Cross multiply
    22,821.20x = 34,183.20 × 18,933.20
  4. Step 4: Simplify right side
    22,821.20x = 647,197,362.24
  5. Step 5: Solve for x
    x = 647,197,362.24/22,821.20
  6. Step 6: Final answer
    x = 28,359.48

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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.