Home / 19,750.52-27,256.14-11,791.25

Finding the Fourth Proportional to 19,750.52, 27,256.14 and 11,791.25

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Solution

The fourth proportional to 19,750.52, 27,256.14 and 11,791.25 is: 16,272.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,750.52 : 27,256.14 = 11,791.25 : x
  2. Step 2: Convert to fraction form
    19,750.52/27,256.14 = 11,791.25/x
  3. Step 3: Cross multiply
    19,750.52x = 27,256.14 × 11,791.25
  4. Step 4: Simplify right side
    19,750.52x = 321,384,028.92
  5. Step 5: Solve for x
    x = 321,384,028.92/19,750.52
  6. Step 6: Final answer
    x = 16,272.18

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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.