Home / 27,327.78-40,991.70-7,606.38

Finding the Fourth Proportional to 27,327.78, 40,991.70 and 7,606.38

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Solution

The fourth proportional to 27,327.78, 40,991.70 and 7,606.38 is: 11,409.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,327.78 : 40,991.70 = 7,606.38 : x
  2. Step 2: Convert to fraction form
    27,327.78/40,991.70 = 7,606.38/x
  3. Step 3: Cross multiply
    27,327.78x = 40,991.70 × 7,606.38
  4. Step 4: Simplify right side
    27,327.78x = 311,798,447.05
  5. Step 5: Solve for x
    x = 311,798,447.05/27,327.78
  6. Step 6: Final answer
    x = 11,409.58

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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.