Home / 25,849.52-35,719.20-20,198.96

Finding the Fourth Proportional to 25,849.52, 35,719.20 and 20,198.96

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Solution

The fourth proportional to 25,849.52, 35,719.20 and 20,198.96 is: 27,911.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,849.52 : 35,719.20 = 20,198.96 : x
  2. Step 2: Convert to fraction form
    25,849.52/35,719.20 = 20,198.96/x
  3. Step 3: Cross multiply
    25,849.52x = 35,719.20 × 20,198.96
  4. Step 4: Simplify right side
    25,849.52x = 721,490,692.03
  5. Step 5: Solve for x
    x = 721,490,692.03/25,849.52
  6. Step 6: Final answer
    x = 27,911.18

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