Home / 28,714.30-43,054.86-11,163.60

Finding the Fourth Proportional to 28,714.30, 43,054.86 and 11,163.60

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Solution

The fourth proportional to 28,714.30, 43,054.86 and 11,163.60 is: 16,738.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,714.30 : 43,054.86 = 11,163.60 : x
  2. Step 2: Convert to fraction form
    28,714.30/43,054.86 = 11,163.60/x
  3. Step 3: Cross multiply
    28,714.30x = 43,054.86 × 11,163.60
  4. Step 4: Simplify right side
    28,714.30x = 480,647,235.10
  5. Step 5: Solve for x
    x = 480,647,235.10/28,714.30
  6. Step 6: Final answer
    x = 16,738.95

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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.