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Finding the Fourth Proportional to 27,805.17, 41,707.76 and 7,028.67

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Solution

The fourth proportional to 27,805.17, 41,707.76 and 7,028.67 is: 10,543.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,805.17 : 41,707.76 = 7,028.67 : x
  2. Step 2: Convert to fraction form
    27,805.17/41,707.76 = 7,028.67/x
  3. Step 3: Cross multiply
    27,805.17x = 41,707.76 × 7,028.67
  4. Step 4: Simplify right side
    27,805.17x = 293,150,046.34
  5. Step 5: Solve for x
    x = 293,150,046.34/27,805.17
  6. Step 6: Final answer
    x = 10,543.01

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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.