Home / 21,961.80-32,958.90-8,823.60

Finding the Fourth Proportional to 21,961.80, 32,958.90 and 8,823.60

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Solution

The fourth proportional to 21,961.80, 32,958.90 and 8,823.60 is: 13,241.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,961.80 : 32,958.90 = 8,823.60 : x
  2. Step 2: Convert to fraction form
    21,961.80/32,958.90 = 8,823.60/x
  3. Step 3: Cross multiply
    21,961.80x = 32,958.90 × 8,823.60
  4. Step 4: Simplify right side
    21,961.80x = 290,816,150.04
  5. Step 5: Solve for x
    x = 290,816,150.04/21,961.80
  6. Step 6: Final answer
    x = 13,241.91

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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.