Home / 21,973.06-32,961.11-8,825.42

Finding the Fourth Proportional to 21,973.06, 32,961.11 and 8,825.42

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Solution

The fourth proportional to 21,973.06, 32,961.11 and 8,825.42 is: 13,238.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,973.06 : 32,961.11 = 8,825.42 : x
  2. Step 2: Convert to fraction form
    21,973.06/32,961.11 = 8,825.42/x
  3. Step 3: Cross multiply
    21,973.06x = 32,961.11 × 8,825.42
  4. Step 4: Simplify right side
    21,973.06x = 290,895,727.33
  5. Step 5: Solve for x
    x = 290,895,727.33/21,973.06
  6. Step 6: Final answer
    x = 13,238.75

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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.