Home / 27,131.72-40,684.82-10,499.58

Finding the Fourth Proportional to 27,131.72, 40,684.82 and 10,499.58

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Solution

The fourth proportional to 27,131.72, 40,684.82 and 10,499.58 is: 15,744.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,131.72 : 40,684.82 = 10,499.58 : x
  2. Step 2: Convert to fraction form
    27,131.72/40,684.82 = 10,499.58/x
  3. Step 3: Cross multiply
    27,131.72x = 40,684.82 × 10,499.58
  4. Step 4: Simplify right side
    27,131.72x = 427,173,469.88
  5. Step 5: Solve for x
    x = 427,173,469.88/27,131.72
  6. Step 6: Final answer
    x = 15,744.43

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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.