Home / 22,321.75-33,616.29-20,328.85

Finding the Fourth Proportional to 22,321.75, 33,616.29 and 20,328.85

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Solution

The fourth proportional to 22,321.75, 33,616.29 and 20,328.85 is: 30,615.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,321.75 : 33,616.29 = 20,328.85 : x
  2. Step 2: Convert to fraction form
    22,321.75/33,616.29 = 20,328.85/x
  3. Step 3: Cross multiply
    22,321.75x = 33,616.29 × 20,328.85
  4. Step 4: Simplify right side
    22,321.75x = 683,380,516.97
  5. Step 5: Solve for x
    x = 683,380,516.97/22,321.75
  6. Step 6: Final answer
    x = 30,615.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.