Home / 21,902.49-32,845.32-17,231.67

Finding the Fourth Proportional to 21,902.49, 32,845.32 and 17,231.67

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Solution

The fourth proportional to 21,902.49, 32,845.32 and 17,231.67 is: 25,840.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,902.49 : 32,845.32 = 17,231.67 : x
  2. Step 2: Convert to fraction form
    21,902.49/32,845.32 = 17,231.67/x
  3. Step 3: Cross multiply
    21,902.49x = 32,845.32 × 17,231.67
  4. Step 4: Simplify right side
    21,902.49x = 565,979,715.28
  5. Step 5: Solve for x
    x = 565,979,715.28/21,902.49
  6. Step 6: Final answer
    x = 25,840.88

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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.