Home / 27,380.20-37,784.10-16,205.80

Finding the Fourth Proportional to 27,380.20, 37,784.10 and 16,205.80

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Solution

The fourth proportional to 27,380.20, 37,784.10 and 16,205.80 is: 22,363.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,380.20 : 37,784.10 = 16,205.80 : x
  2. Step 2: Convert to fraction form
    27,380.20/37,784.10 = 16,205.80/x
  3. Step 3: Cross multiply
    27,380.20x = 37,784.10 × 16,205.80
  4. Step 4: Simplify right side
    27,380.20x = 612,321,567.78
  5. Step 5: Solve for x
    x = 612,321,567.78/27,380.20
  6. Step 6: Final answer
    x = 22,363.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.