Home / 20,450.06-28,140.18-17,082.08

Finding the Fourth Proportional to 20,450.06, 28,140.18 and 17,082.08

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Solution

The fourth proportional to 20,450.06, 28,140.18 and 17,082.08 is: 23,505.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,450.06 : 28,140.18 = 17,082.08 : x
  2. Step 2: Convert to fraction form
    20,450.06/28,140.18 = 17,082.08/x
  3. Step 3: Cross multiply
    20,450.06x = 28,140.18 × 17,082.08
  4. Step 4: Simplify right side
    20,450.06x = 480,692,805.97
  5. Step 5: Solve for x
    x = 480,692,805.97/20,450.06
  6. Step 6: Final answer
    x = 23,505.69

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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.