Home / 28,843.32-43,267.41-9,121.44

Finding the Fourth Proportional to 28,843.32, 43,267.41 and 9,121.44

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Solution

The fourth proportional to 28,843.32, 43,267.41 and 9,121.44 is: 13,682.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,843.32 : 43,267.41 = 9,121.44 : x
  2. Step 2: Convert to fraction form
    28,843.32/43,267.41 = 9,121.44/x
  3. Step 3: Cross multiply
    28,843.32x = 43,267.41 × 9,121.44
  4. Step 4: Simplify right side
    28,843.32x = 394,661,084.27
  5. Step 5: Solve for x
    x = 394,661,084.27/28,843.32
  6. Step 6: Final answer
    x = 13,682.93

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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.