Home / 27,992.16-41,984.62-8,272.80

Finding the Fourth Proportional to 27,992.16, 41,984.62 and 8,272.80

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Solution

The fourth proportional to 27,992.16, 41,984.62 and 8,272.80 is: 12,408.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,992.16 : 41,984.62 = 8,272.80 : x
  2. Step 2: Convert to fraction form
    27,992.16/41,984.62 = 8,272.80/x
  3. Step 3: Cross multiply
    27,992.16x = 41,984.62 × 8,272.80
  4. Step 4: Simplify right side
    27,992.16x = 347,330,364.34
  5. Step 5: Solve for x
    x = 347,330,364.34/27,992.16
  6. Step 6: Final answer
    x = 12,408.13

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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.