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Finding the Fourth Proportional to 25,576.83, 38,365.16 and 11,520.39

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Solution

The fourth proportional to 25,576.83, 38,365.16 and 11,520.39 is: 17,280.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,576.83 : 38,365.16 = 11,520.39 : x
  2. Step 2: Convert to fraction form
    25,576.83/38,365.16 = 11,520.39/x
  3. Step 3: Cross multiply
    25,576.83x = 38,365.16 × 11,520.39
  4. Step 4: Simplify right side
    25,576.83x = 441,981,548.01
  5. Step 5: Solve for x
    x = 441,981,548.01/25,576.83
  6. Step 6: Final answer
    x = 17,280.54

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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.