Home / 22,984.68-31,694.04-20,972.64

Finding the Fourth Proportional to 22,984.68, 31,694.04 and 20,972.64

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Solution

The fourth proportional to 22,984.68, 31,694.04 and 20,972.64 is: 28,919.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,984.68 : 31,694.04 = 20,972.64 : x
  2. Step 2: Convert to fraction form
    22,984.68/31,694.04 = 20,972.64/x
  3. Step 3: Cross multiply
    22,984.68x = 31,694.04 × 20,972.64
  4. Step 4: Simplify right side
    22,984.68x = 664,707,691.07
  5. Step 5: Solve for x
    x = 664,707,691.07/22,984.68
  6. Step 6: Final answer
    x = 28,919.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.