Home / 27,151.44-40,733.94-19,161.80

Finding the Fourth Proportional to 27,151.44, 40,733.94 and 19,161.80

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Solution

The fourth proportional to 27,151.44, 40,733.94 and 19,161.80 is: 28,747.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,151.44 : 40,733.94 = 19,161.80 : x
  2. Step 2: Convert to fraction form
    27,151.44/40,733.94 = 19,161.80/x
  3. Step 3: Cross multiply
    27,151.44x = 40,733.94 × 19,161.80
  4. Step 4: Simplify right side
    27,151.44x = 780,535,665.42
  5. Step 5: Solve for x
    x = 780,535,665.42/27,151.44
  6. Step 6: Final answer
    x = 28,747.49

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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.