Home / 27,261.82-40,884.09-8,789.50

Finding the Fourth Proportional to 27,261.82, 40,884.09 and 8,789.50

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Solution

The fourth proportional to 27,261.82, 40,884.09 and 8,789.50 is: 13,181.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,261.82 : 40,884.09 = 8,789.50 : x
  2. Step 2: Convert to fraction form
    27,261.82/40,884.09 = 8,789.50/x
  3. Step 3: Cross multiply
    27,261.82x = 40,884.09 × 8,789.50
  4. Step 4: Simplify right side
    27,261.82x = 359,350,709.06
  5. Step 5: Solve for x
    x = 359,350,709.06/27,261.82
  6. Step 6: Final answer
    x = 13,181.46

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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.