Home / 21,958.03-32,902.53-16,972.61

Finding the Fourth Proportional to 21,958.03, 32,902.53 and 16,972.61

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Solution

The fourth proportional to 21,958.03, 32,902.53 and 16,972.61 is: 25,432.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,958.03 : 32,902.53 = 16,972.61 : x
  2. Step 2: Convert to fraction form
    21,958.03/32,902.53 = 16,972.61/x
  3. Step 3: Cross multiply
    21,958.03x = 32,902.53 × 16,972.61
  4. Step 4: Simplify right side
    21,958.03x = 558,441,677.01
  5. Step 5: Solve for x
    x = 558,441,677.01/21,958.03
  6. Step 6: Final answer
    x = 25,432.23

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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.