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Finding the Fourth Proportional to 27,808.82, 41,712.87 and 6,749.03

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Solution

The fourth proportional to 27,808.82, 41,712.87 and 6,749.03 is: 10,123.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,808.82 : 41,712.87 = 6,749.03 : x
  2. Step 2: Convert to fraction form
    27,808.82/41,712.87 = 6,749.03/x
  3. Step 3: Cross multiply
    27,808.82x = 41,712.87 × 6,749.03
  4. Step 4: Simplify right side
    27,808.82x = 281,521,411.02
  5. Step 5: Solve for x
    x = 281,521,411.02/27,808.82
  6. Step 6: Final answer
    x = 10,123.46

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Why These Related Problems?

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