Home / 27,108.27-40,658.25-7,388.42

Finding the Fourth Proportional to 27,108.27, 40,658.25 and 7,388.42

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Solution

The fourth proportional to 27,108.27, 40,658.25 and 7,388.42 is: 11,081.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,108.27 : 40,658.25 = 7,388.42 : x
  2. Step 2: Convert to fraction form
    27,108.27/40,658.25 = 7,388.42/x
  3. Step 3: Cross multiply
    27,108.27x = 40,658.25 × 7,388.42
  4. Step 4: Simplify right side
    27,108.27x = 300,400,051.88
  5. Step 5: Solve for x
    x = 300,400,051.88/27,108.27
  6. Step 6: Final answer
    x = 11,081.49

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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.