Home / 21,975.66-32,919.33-10,112.88

Finding the Fourth Proportional to 21,975.66, 32,919.33 and 10,112.88

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Solution

The fourth proportional to 21,975.66, 32,919.33 and 10,112.88 is: 15,149.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,975.66 : 32,919.33 = 10,112.88 : x
  2. Step 2: Convert to fraction form
    21,975.66/32,919.33 = 10,112.88/x
  3. Step 3: Cross multiply
    21,975.66x = 32,919.33 × 10,112.88
  4. Step 4: Simplify right side
    21,975.66x = 332,909,233.97
  5. Step 5: Solve for x
    x = 332,909,233.97/21,975.66
  6. Step 6: Final answer
    x = 15,149.00

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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.