Home / 19,791.83-27,311.63-15,067.91

Finding the Fourth Proportional to 19,791.83, 27,311.63 and 15,067.91

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Solution

The fourth proportional to 19,791.83, 27,311.63 and 15,067.91 is: 20,792.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,791.83 : 27,311.63 = 15,067.91 : x
  2. Step 2: Convert to fraction form
    19,791.83/27,311.63 = 15,067.91/x
  3. Step 3: Cross multiply
    19,791.83x = 27,311.63 × 15,067.91
  4. Step 4: Simplify right side
    19,791.83x = 411,528,970.90
  5. Step 5: Solve for x
    x = 411,528,970.90/19,791.83
  6. Step 6: Final answer
    x = 20,792.88

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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.