Home / 27,791.12-38,347.62-16,883.59

Finding the Fourth Proportional to 27,791.12, 38,347.62 and 16,883.59

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Solution

The fourth proportional to 27,791.12, 38,347.62 and 16,883.59 is: 23,296.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,791.12 : 38,347.62 = 16,883.59 : x
  2. Step 2: Convert to fraction form
    27,791.12/38,347.62 = 16,883.59/x
  3. Step 3: Cross multiply
    27,791.12x = 38,347.62 × 16,883.59
  4. Step 4: Simplify right side
    27,791.12x = 647,445,493.56
  5. Step 5: Solve for x
    x = 647,445,493.56/27,791.12
  6. Step 6: Final answer
    x = 23,296.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.