Home / 28,791.40-43,191.44-9,067.92

Finding the Fourth Proportional to 28,791.40, 43,191.44 and 9,067.92

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Solution

The fourth proportional to 28,791.40, 43,191.44 and 9,067.92 is: 13,603.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,791.40 : 43,191.44 = 9,067.92 : x
  2. Step 2: Convert to fraction form
    28,791.40/43,191.44 = 9,067.92/x
  3. Step 3: Cross multiply
    28,791.40x = 43,191.44 × 9,067.92
  4. Step 4: Simplify right side
    28,791.40x = 391,656,522.60
  5. Step 5: Solve for x
    x = 391,656,522.60/28,791.40
  6. Step 6: Final answer
    x = 13,603.25

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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.