Home / 22,169.28-30,568.68-18,123.60

Finding the Fourth Proportional to 22,169.28, 30,568.68 and 18,123.60

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Solution

The fourth proportional to 22,169.28, 30,568.68 and 18,123.60 is: 24,990.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,169.28 : 30,568.68 = 18,123.60 : x
  2. Step 2: Convert to fraction form
    22,169.28/30,568.68 = 18,123.60/x
  3. Step 3: Cross multiply
    22,169.28x = 30,568.68 × 18,123.60
  4. Step 4: Simplify right side
    22,169.28x = 554,014,528.85
  5. Step 5: Solve for x
    x = 554,014,528.85/22,169.28
  6. Step 6: Final answer
    x = 24,990.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.