Home / 27,791.25-38,347.79-16,883.72

Finding the Fourth Proportional to 27,791.25, 38,347.79 and 16,883.72

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Solution

The fourth proportional to 27,791.25, 38,347.79 and 16,883.72 is: 23,297.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,791.25 : 38,347.79 = 16,883.72 : x
  2. Step 2: Convert to fraction form
    27,791.25/38,347.79 = 16,883.72/x
  3. Step 3: Cross multiply
    27,791.25x = 38,347.79 × 16,883.72
  4. Step 4: Simplify right side
    27,791.25x = 647,453,487.06
  5. Step 5: Solve for x
    x = 647,453,487.06/27,791.25
  6. Step 6: Final answer
    x = 23,297.03

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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.