Home / 28,698.94-43,049.22-7,922.44

Finding the Fourth Proportional to 28,698.94, 43,049.22 and 7,922.44

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Solution

The fourth proportional to 28,698.94, 43,049.22 and 7,922.44 is: 11,883.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,698.94 : 43,049.22 = 7,922.44 : x
  2. Step 2: Convert to fraction form
    28,698.94/43,049.22 = 7,922.44/x
  3. Step 3: Cross multiply
    28,698.94x = 43,049.22 × 7,922.44
  4. Step 4: Simplify right side
    28,698.94x = 341,054,607.64
  5. Step 5: Solve for x
    x = 341,054,607.64/28,698.94
  6. Step 6: Final answer
    x = 11,883.88

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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.