Home / 18,044.76-27,072.60-12,789.93

Finding the Fourth Proportional to 18,044.76, 27,072.60 and 12,789.93

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Solution

The fourth proportional to 18,044.76, 27,072.60 and 12,789.93 is: 19,188.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,044.76 : 27,072.60 = 12,789.93 : x
  2. Step 2: Convert to fraction form
    18,044.76/27,072.60 = 12,789.93/x
  3. Step 3: Cross multiply
    18,044.76x = 27,072.60 × 12,789.93
  4. Step 4: Simplify right side
    18,044.76x = 346,256,658.92
  5. Step 5: Solve for x
    x = 346,256,658.92/18,044.76
  6. Step 6: Final answer
    x = 19,188.76

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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.