Home / 27,941.20-41,911.80-7,164.70

Finding the Fourth Proportional to 27,941.20, 41,911.80 and 7,164.70

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Solution

The fourth proportional to 27,941.20, 41,911.80 and 7,164.70 is: 10,747.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,941.20 : 41,911.80 = 7,164.70 : x
  2. Step 2: Convert to fraction form
    27,941.20/41,911.80 = 7,164.70/x
  3. Step 3: Cross multiply
    27,941.20x = 41,911.80 × 7,164.70
  4. Step 4: Simplify right side
    27,941.20x = 300,285,638.02
  5. Step 5: Solve for x
    x = 300,285,638.02/27,941.20
  6. Step 6: Final answer
    x = 10,747.05

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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.