Home / 27,209.44-40,811.28-8,740

Finding the Fourth Proportional to 27,209.44, 40,811.28 and 8,740

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Solution

The fourth proportional to 27,209.44, 40,811.28 and 8,740 is: 13,109.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,209.44 : 40,811.28 = 8,740 : x
  2. Step 2: Convert to fraction form
    27,209.44/40,811.28 = 8,740/x
  3. Step 3: Cross multiply
    27,209.44x = 40,811.28 × 8,740
  4. Step 4: Simplify right side
    27,209.44x = 356,690,587.20
  5. Step 5: Solve for x
    x = 356,690,587.20/27,209.44
  6. Step 6: Final answer
    x = 13,109.07

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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.