Home / 20,362.80-30,544.20-17,082.30

Finding the Fourth Proportional to 20,362.80, 30,544.20 and 17,082.30

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Solution

The fourth proportional to 20,362.80, 30,544.20 and 17,082.30 is: 25,623.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,362.80 : 30,544.20 = 17,082.30 : x
  2. Step 2: Convert to fraction form
    20,362.80/30,544.20 = 17,082.30/x
  3. Step 3: Cross multiply
    20,362.80x = 30,544.20 × 17,082.30
  4. Step 4: Simplify right side
    20,362.80x = 521,765,187.66
  5. Step 5: Solve for x
    x = 521,765,187.66/20,362.80
  6. Step 6: Final answer
    x = 25,623.45

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Similar ratio
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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.