Home / 21,960.60-32,940.90-16,711.80

Finding the Fourth Proportional to 21,960.60, 32,940.90 and 16,711.80

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Solution

The fourth proportional to 21,960.60, 32,940.90 and 16,711.80 is: 25,067.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,960.60 : 32,940.90 = 16,711.80 : x
  2. Step 2: Convert to fraction form
    21,960.60/32,940.90 = 16,711.80/x
  3. Step 3: Cross multiply
    21,960.60x = 32,940.90 × 16,711.80
  4. Step 4: Simplify right side
    21,960.60x = 550,501,732.62
  5. Step 5: Solve for x
    x = 550,501,732.62/21,960.60
  6. Step 6: Final answer
    x = 25,067.70

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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.