Home / 27,805.20-41,707.80-7,028.70

Finding the Fourth Proportional to 27,805.20, 41,707.80 and 7,028.70

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Solution

The fourth proportional to 27,805.20, 41,707.80 and 7,028.70 is: 10,543.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,805.20 : 41,707.80 = 7,028.70 : x
  2. Step 2: Convert to fraction form
    27,805.20/41,707.80 = 7,028.70/x
  3. Step 3: Cross multiply
    27,805.20x = 41,707.80 × 7,028.70
  4. Step 4: Simplify right side
    27,805.20x = 293,151,613.86
  5. Step 5: Solve for x
    x = 293,151,613.86/27,805.20
  6. Step 6: Final answer
    x = 10,543.05

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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.