Home / 21,836.52-32,755.86-7,984.44

Finding the Fourth Proportional to 21,836.52, 32,755.86 and 7,984.44

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Solution

The fourth proportional to 21,836.52, 32,755.86 and 7,984.44 is: 11,977.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,836.52 : 32,755.86 = 7,984.44 : x
  2. Step 2: Convert to fraction form
    21,836.52/32,755.86 = 7,984.44/x
  3. Step 3: Cross multiply
    21,836.52x = 32,755.86 × 7,984.44
  4. Step 4: Simplify right side
    21,836.52x = 261,537,198.82
  5. Step 5: Solve for x
    x = 261,537,198.82/21,836.52
  6. Step 6: Final answer
    x = 11,977.05

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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.