Home / 27,975.80-41,942.73-16,879.86

Finding the Fourth Proportional to 27,975.80, 41,942.73 and 16,879.86

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Solution

The fourth proportional to 27,975.80, 41,942.73 and 16,879.86 is: 25,307.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,975.80 : 41,942.73 = 16,879.86 : x
  2. Step 2: Convert to fraction form
    27,975.80/41,942.73 = 16,879.86/x
  3. Step 3: Cross multiply
    27,975.80x = 41,942.73 × 16,879.86
  4. Step 4: Simplify right side
    27,975.80x = 707,987,410.42
  5. Step 5: Solve for x
    x = 707,987,410.42/27,975.80
  6. Step 6: Final answer
    x = 25,307.14

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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.