Home / 21,571.26-32,327.73-11,190.30

Finding the Fourth Proportional to 21,571.26, 32,327.73 and 11,190.30

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Solution

The fourth proportional to 21,571.26, 32,327.73 and 11,190.30 is: 16,770.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,571.26 : 32,327.73 = 11,190.30 : x
  2. Step 2: Convert to fraction form
    21,571.26/32,327.73 = 11,190.30/x
  3. Step 3: Cross multiply
    21,571.26x = 32,327.73 × 11,190.30
  4. Step 4: Simplify right side
    21,571.26x = 361,756,997.02
  5. Step 5: Solve for x
    x = 361,756,997.02/21,571.26
  6. Step 6: Final answer
    x = 16,770.32

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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.