Home / 27,380.09-41,076.74-7,658.36

Finding the Fourth Proportional to 27,380.09, 41,076.74 and 7,658.36

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Solution

The fourth proportional to 27,380.09, 41,076.74 and 7,658.36 is: 11,489.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,380.09 : 41,076.74 = 7,658.36 : x
  2. Step 2: Convert to fraction form
    27,380.09/41,076.74 = 7,658.36/x
  3. Step 3: Cross multiply
    27,380.09x = 41,076.74 × 7,658.36
  4. Step 4: Simplify right side
    27,380.09x = 314,580,387.27
  5. Step 5: Solve for x
    x = 314,580,387.27/27,380.09
  6. Step 6: Final answer
    x = 11,489.39

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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.