Home / 21,836.73-32,761.14-8,698.32

Finding the Fourth Proportional to 21,836.73, 32,761.14 and 8,698.32

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Solution

The fourth proportional to 21,836.73, 32,761.14 and 8,698.32 is: 13,049.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,836.73 : 32,761.14 = 8,698.32 : x
  2. Step 2: Convert to fraction form
    21,836.73/32,761.14 = 8,698.32/x
  3. Step 3: Cross multiply
    21,836.73x = 32,761.14 × 8,698.32
  4. Step 4: Simplify right side
    21,836.73x = 284,966,879.28
  5. Step 5: Solve for x
    x = 284,966,879.28/21,836.73
  6. Step 6: Final answer
    x = 13,049.89

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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.