Home / 21,997.85-32,996.84-15,453.27

Finding the Fourth Proportional to 21,997.85, 32,996.84 and 15,453.27

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Solution

The fourth proportional to 21,997.85, 32,996.84 and 15,453.27 is: 23,179.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,997.85 : 32,996.84 = 15,453.27 : x
  2. Step 2: Convert to fraction form
    21,997.85/32,996.84 = 15,453.27/x
  3. Step 3: Cross multiply
    21,997.85x = 32,996.84 × 15,453.27
  4. Step 4: Simplify right side
    21,997.85x = 509,909,000.40
  5. Step 5: Solve for x
    x = 509,909,000.40/21,997.85
  6. Step 6: Final answer
    x = 23,179.95

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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.