Home / 20,198.86-27,872.58-14,896.60

Finding the Fourth Proportional to 20,198.86, 27,872.58 and 14,896.60

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Solution

The fourth proportional to 20,198.86, 27,872.58 and 14,896.60 is: 20,555.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,198.86 : 27,872.58 = 14,896.60 : x
  2. Step 2: Convert to fraction form
    20,198.86/27,872.58 = 14,896.60/x
  3. Step 3: Cross multiply
    20,198.86x = 27,872.58 × 14,896.60
  4. Step 4: Simplify right side
    20,198.86x = 415,206,675.23
  5. Step 5: Solve for x
    x = 415,206,675.23/20,198.86
  6. Step 6: Final answer
    x = 20,555.95

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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.