Home / 21,948.30-32,922.33-8,791.26

Finding the Fourth Proportional to 21,948.30, 32,922.33 and 8,791.26

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Solution

The fourth proportional to 21,948.30, 32,922.33 and 8,791.26 is: 13,186.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,948.30 : 32,922.33 = 8,791.26 : x
  2. Step 2: Convert to fraction form
    21,948.30/32,922.33 = 8,791.26/x
  3. Step 3: Cross multiply
    21,948.30x = 32,922.33 × 8,791.26
  4. Step 4: Simplify right side
    21,948.30x = 289,428,762.84
  5. Step 5: Solve for x
    x = 289,428,762.84/21,948.30
  6. Step 6: Final answer
    x = 13,186.84

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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.