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Finding the Fourth Proportional to 25,617.96, 38,426.94 and 8,100.09

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Solution

The fourth proportional to 25,617.96, 38,426.94 and 8,100.09 is: 12,150.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,617.96 : 38,426.94 = 8,100.09 : x
  2. Step 2: Convert to fraction form
    25,617.96/38,426.94 = 8,100.09/x
  3. Step 3: Cross multiply
    25,617.96x = 38,426.94 × 8,100.09
  4. Step 4: Simplify right side
    25,617.96x = 311,261,672.42
  5. Step 5: Solve for x
    x = 311,261,672.42/25,617.96
  6. Step 6: Final answer
    x = 12,150.14

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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.