Home / 27,868.24-41,816.70-18,514.72

Finding the Fourth Proportional to 27,868.24, 41,816.70 and 18,514.72

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Solution

The fourth proportional to 27,868.24, 41,816.70 and 18,514.72 is: 27,781.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,868.24 : 41,816.70 = 18,514.72 : x
  2. Step 2: Convert to fraction form
    27,868.24/41,816.70 = 18,514.72/x
  3. Step 3: Cross multiply
    27,868.24x = 41,816.70 × 18,514.72
  4. Step 4: Simplify right side
    27,868.24x = 774,224,491.82
  5. Step 5: Solve for x
    x = 774,224,491.82/27,868.24
  6. Step 6: Final answer
    x = 27,781.61

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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.