Home / 27,678.34-41,519.84-8,707.33

Finding the Fourth Proportional to 27,678.34, 41,519.84 and 8,707.33

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Solution

The fourth proportional to 27,678.34, 41,519.84 and 8,707.33 is: 13,061.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,678.34 : 41,519.84 = 8,707.33 : x
  2. Step 2: Convert to fraction form
    27,678.34/41,519.84 = 8,707.33/x
  3. Step 3: Cross multiply
    27,678.34x = 41,519.84 × 8,707.33
  4. Step 4: Simplify right side
    27,678.34x = 361,526,697.29
  5. Step 5: Solve for x
    x = 361,526,697.29/27,678.34
  6. Step 6: Final answer
    x = 13,061.72

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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.