Home / 21,849.52-32,779.20-7,998.52

Finding the Fourth Proportional to 21,849.52, 32,779.20 and 7,998.52

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Solution

The fourth proportional to 21,849.52, 32,779.20 and 7,998.52 is: 11,999.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,849.52 : 32,779.20 = 7,998.52 : x
  2. Step 2: Convert to fraction form
    21,849.52/32,779.20 = 7,998.52/x
  3. Step 3: Cross multiply
    21,849.52x = 32,779.20 × 7,998.52
  4. Step 4: Simplify right side
    21,849.52x = 262,185,086.78
  5. Step 5: Solve for x
    x = 262,185,086.78/21,849.52
  6. Step 6: Final answer
    x = 11,999.58

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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.