Home / 21,229.44-31,847.04-7,376.64

Finding the Fourth Proportional to 21,229.44, 31,847.04 and 7,376.64

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Solution

The fourth proportional to 21,229.44, 31,847.04 and 7,376.64 is: 11,065.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,229.44 : 31,847.04 = 7,376.64 : x
  2. Step 2: Convert to fraction form
    21,229.44/31,847.04 = 7,376.64/x
  3. Step 3: Cross multiply
    21,229.44x = 31,847.04 × 7,376.64
  4. Step 4: Simplify right side
    21,229.44x = 234,924,149.15
  5. Step 5: Solve for x
    x = 234,924,149.15/21,229.44
  6. Step 6: Final answer
    x = 11,065.96

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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.