Home / 18,822.24-28,154.88-17,422.56

Finding the Fourth Proportional to 18,822.24, 28,154.88 and 17,422.56

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Solution

The fourth proportional to 18,822.24, 28,154.88 and 17,422.56 is: 26,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,822.24 : 28,154.88 = 17,422.56 : x
  2. Step 2: Convert to fraction form
    18,822.24/28,154.88 = 17,422.56/x
  3. Step 3: Cross multiply
    18,822.24x = 28,154.88 × 17,422.56
  4. Step 4: Simplify right side
    18,822.24x = 490,530,086.09
  5. Step 5: Solve for x
    x = 490,530,086.09/18,822.24
  6. Step 6: Final answer
    x = 26,061.20

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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.