Home / 21,967.89-32,917.32-16,982.49

Finding the Fourth Proportional to 21,967.89, 32,917.32 and 16,982.49

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Solution

The fourth proportional to 21,967.89, 32,917.32 and 16,982.49 is: 25,447.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,967.89 : 32,917.32 = 16,982.49 : x
  2. Step 2: Convert to fraction form
    21,967.89/32,917.32 = 16,982.49/x
  3. Step 3: Cross multiply
    21,967.89x = 32,917.32 × 16,982.49
  4. Step 4: Simplify right side
    21,967.89x = 559,017,997.97
  5. Step 5: Solve for x
    x = 559,017,997.97/21,967.89
  6. Step 6: Final answer
    x = 25,447.05

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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.