Home / 28,694.23-43,043.82-7,917.73

Finding the Fourth Proportional to 28,694.23, 43,043.82 and 7,917.73

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Solution

The fourth proportional to 28,694.23, 43,043.82 and 7,917.73 is: 11,877.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,694.23 : 43,043.82 = 7,917.73 : x
  2. Step 2: Convert to fraction form
    28,694.23/43,043.82 = 7,917.73/x
  3. Step 3: Cross multiply
    28,694.23x = 43,043.82 × 7,917.73
  4. Step 4: Simplify right side
    28,694.23x = 340,809,090.12
  5. Step 5: Solve for x
    x = 340,809,090.12/28,694.23
  6. Step 6: Final answer
    x = 11,877.27

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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.