Home / 21,829.52-32,716.88-9,334.85

Finding the Fourth Proportional to 21,829.52, 32,716.88 and 9,334.85

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Solution

The fourth proportional to 21,829.52, 32,716.88 and 9,334.85 is: 13,990.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,829.52 : 32,716.88 = 9,334.85 : x
  2. Step 2: Convert to fraction form
    21,829.52/32,716.88 = 9,334.85/x
  3. Step 3: Cross multiply
    21,829.52x = 32,716.88 × 9,334.85
  4. Step 4: Simplify right side
    21,829.52x = 305,407,167.27
  5. Step 5: Solve for x
    x = 305,407,167.27/21,829.52
  6. Step 6: Final answer
    x = 13,990.56

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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.