Home / 27,819-41,733.77-11,180.34

Finding the Fourth Proportional to 27,819, 41,733.77 and 11,180.34

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Solution

The fourth proportional to 27,819, 41,733.77 and 11,180.34 is: 16,772.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,819 : 41,733.77 = 11,180.34 : x
  2. Step 2: Convert to fraction form
    27,819/41,733.77 = 11,180.34/x
  3. Step 3: Cross multiply
    27,819x = 41,733.77 × 11,180.34
  4. Step 4: Simplify right side
    27,819x = 466,597,682.18
  5. Step 5: Solve for x
    x = 466,597,682.18/27,819
  6. Step 6: Final answer
    x = 16,772.63

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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.