Home / 27,911.82-41,869.10-11,269.77

Finding the Fourth Proportional to 27,911.82, 41,869.10 and 11,269.77

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Solution

The fourth proportional to 27,911.82, 41,869.10 and 11,269.77 is: 16,905.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,911.82 : 41,869.10 = 11,269.77 : x
  2. Step 2: Convert to fraction form
    27,911.82/41,869.10 = 11,269.77/x
  3. Step 3: Cross multiply
    27,911.82x = 41,869.10 × 11,269.77
  4. Step 4: Simplify right side
    27,911.82x = 471,855,070.76
  5. Step 5: Solve for x
    x = 471,855,070.76/27,911.82
  6. Step 6: Final answer
    x = 16,905.21

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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.