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Finding the Fourth Proportional to 41,855.41, 57,720.82 and 27,489.96

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Solution

The fourth proportional to 41,855.41, 57,720.82 and 27,489.96 is: 37,910.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,855.41 : 57,720.82 = 27,489.96 : x
  2. Step 2: Convert to fraction form
    41,855.41/57,720.82 = 27,489.96/x
  3. Step 3: Cross multiply
    41,855.41x = 57,720.82 × 27,489.96
  4. Step 4: Simplify right side
    41,855.41x = 1,586,742,606.91
  5. Step 5: Solve for x
    x = 1,586,742,606.91/41,855.41
  6. Step 6: Final answer
    x = 37,910.10

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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.