Home / 27,945.72-41,918.55-7,169.22

Finding the Fourth Proportional to 27,945.72, 41,918.55 and 7,169.22

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Solution

The fourth proportional to 27,945.72, 41,918.55 and 7,169.22 is: 10,753.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,945.72 : 41,918.55 = 7,169.22 : x
  2. Step 2: Convert to fraction form
    27,945.72/41,918.55 = 7,169.22/x
  3. Step 3: Cross multiply
    27,945.72x = 41,918.55 × 7,169.22
  4. Step 4: Simplify right side
    27,945.72x = 300,523,307.03
  5. Step 5: Solve for x
    x = 300,523,307.03/27,945.72
  6. Step 6: Final answer
    x = 10,753.82

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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.