Home / 28,190.25-38,892.87-16,082.03

Finding the Fourth Proportional to 28,190.25, 38,892.87 and 16,082.03

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Solution

The fourth proportional to 28,190.25, 38,892.87 and 16,082.03 is: 22,187.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,190.25 : 38,892.87 = 16,082.03 : x
  2. Step 2: Convert to fraction form
    28,190.25/38,892.87 = 16,082.03/x
  3. Step 3: Cross multiply
    28,190.25x = 38,892.87 × 16,082.03
  4. Step 4: Simplify right side
    28,190.25x = 625,476,107.66
  5. Step 5: Solve for x
    x = 625,476,107.66/28,190.25
  6. Step 6: Final answer
    x = 22,187.68

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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.