Home / 21,983.08-32,940.03-16,997.63

Finding the Fourth Proportional to 21,983.08, 32,940.03 and 16,997.63

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Solution

The fourth proportional to 21,983.08, 32,940.03 and 16,997.63 is: 25,469.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,983.08 : 32,940.03 = 16,997.63 : x
  2. Step 2: Convert to fraction form
    21,983.08/32,940.03 = 16,997.63/x
  3. Step 3: Cross multiply
    21,983.08x = 32,940.03 × 16,997.63
  4. Step 4: Simplify right side
    21,983.08x = 559,902,277.43
  5. Step 5: Solve for x
    x = 559,902,277.43/21,983.08
  6. Step 6: Final answer
    x = 25,469.70

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1.5x scale

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.