Home / 21,982.32-32,944.32-19,046.88

Finding the Fourth Proportional to 21,982.32, 32,944.32 and 19,046.88

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Solution

The fourth proportional to 21,982.32, 32,944.32 and 19,046.88 is: 28,545.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,982.32 : 32,944.32 = 19,046.88 : x
  2. Step 2: Convert to fraction form
    21,982.32/32,944.32 = 19,046.88/x
  3. Step 3: Cross multiply
    21,982.32x = 32,944.32 × 19,046.88
  4. Step 4: Simplify right side
    21,982.32x = 627,486,509.72
  5. Step 5: Solve for x
    x = 627,486,509.72/21,982.32
  6. Step 6: Final answer
    x = 28,545.05

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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.