Home / 17,727.38-26,600.38-7,873.72

Finding the Fourth Proportional to 17,727.38, 26,600.38 and 7,873.72

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Solution

The fourth proportional to 17,727.38, 26,600.38 and 7,873.72 is: 11,814.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,727.38 : 26,600.38 = 7,873.72 : x
  2. Step 2: Convert to fraction form
    17,727.38/26,600.38 = 7,873.72/x
  3. Step 3: Cross multiply
    17,727.38x = 26,600.38 × 7,873.72
  4. Step 4: Simplify right side
    17,727.38x = 209,443,944.01
  5. Step 5: Solve for x
    x = 209,443,944.01/17,727.38
  6. Step 6: Final answer
    x = 11,814.72

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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.