Home / 25,696.20-38,551.16-10,905.96

Finding the Fourth Proportional to 25,696.20, 38,551.16 and 10,905.96

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Solution

The fourth proportional to 25,696.20, 38,551.16 and 10,905.96 is: 16,361.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,696.20 : 38,551.16 = 10,905.96 : x
  2. Step 2: Convert to fraction form
    25,696.20/38,551.16 = 10,905.96/x
  3. Step 3: Cross multiply
    25,696.20x = 38,551.16 × 10,905.96
  4. Step 4: Simplify right side
    25,696.20x = 420,437,408.91
  5. Step 5: Solve for x
    x = 420,437,408.91/25,696.20
  6. Step 6: Final answer
    x = 16,361.85

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.