Home / 21,881.46-32,784.38-17,231.16

Finding the Fourth Proportional to 21,881.46, 32,784.38 and 17,231.16

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Solution

The fourth proportional to 21,881.46, 32,784.38 and 17,231.16 is: 25,816.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,881.46 : 32,784.38 = 17,231.16 : x
  2. Step 2: Convert to fraction form
    21,881.46/32,784.38 = 17,231.16/x
  3. Step 3: Cross multiply
    21,881.46x = 32,784.38 × 17,231.16
  4. Step 4: Simplify right side
    21,881.46x = 564,912,776.44
  5. Step 5: Solve for x
    x = 564,912,776.44/21,881.46
  6. Step 6: Final answer
    x = 25,816.97

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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.