Home / 27,917.88-41,860.42-11,278.44

Finding the Fourth Proportional to 27,917.88, 41,860.42 and 11,278.44

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Solution

The fourth proportional to 27,917.88, 41,860.42 and 11,278.44 is: 16,911.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,917.88 : 41,860.42 = 11,278.44 : x
  2. Step 2: Convert to fraction form
    27,917.88/41,860.42 = 11,278.44/x
  3. Step 3: Cross multiply
    27,917.88x = 41,860.42 × 11,278.44
  4. Step 4: Simplify right side
    27,917.88x = 472,120,235.34
  5. Step 5: Solve for x
    x = 472,120,235.34/27,917.88
  6. Step 6: Final answer
    x = 16,911.03

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1.5x scale

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.