Home / 27,687.66-41,488.96-18,791.44

Finding the Fourth Proportional to 27,687.66, 41,488.96 and 18,791.44

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Solution

The fourth proportional to 27,687.66, 41,488.96 and 18,791.44 is: 28,158.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,687.66 : 41,488.96 = 18,791.44 : x
  2. Step 2: Convert to fraction form
    27,687.66/41,488.96 = 18,791.44/x
  3. Step 3: Cross multiply
    27,687.66x = 41,488.96 × 18,791.44
  4. Step 4: Simplify right side
    27,687.66x = 779,637,302.50
  5. Step 5: Solve for x
    x = 779,637,302.50/27,687.66
  6. Step 6: Final answer
    x = 28,158.30

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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.