Home / 27,707.14-41,560.62-7,985.80

Finding the Fourth Proportional to 27,707.14, 41,560.62 and 7,985.80

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Solution

The fourth proportional to 27,707.14, 41,560.62 and 7,985.80 is: 11,978.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,707.14 : 41,560.62 = 7,985.80 : x
  2. Step 2: Convert to fraction form
    27,707.14/41,560.62 = 7,985.80/x
  3. Step 3: Cross multiply
    27,707.14x = 41,560.62 × 7,985.80
  4. Step 4: Simplify right side
    27,707.14x = 331,894,799.20
  5. Step 5: Solve for x
    x = 331,894,799.20/27,707.14
  6. Step 6: Final answer
    x = 11,978.67

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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.