Home / 27,175.28-40,777.66-11,381.72

Finding the Fourth Proportional to 27,175.28, 40,777.66 and 11,381.72

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Solution

The fourth proportional to 27,175.28, 40,777.66 and 11,381.72 is: 17,078.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,175.28 : 40,777.66 = 11,381.72 : x
  2. Step 2: Convert to fraction form
    27,175.28/40,777.66 = 11,381.72/x
  3. Step 3: Cross multiply
    27,175.28x = 40,777.66 × 11,381.72
  4. Step 4: Simplify right side
    27,175.28x = 464,119,908.38
  5. Step 5: Solve for x
    x = 464,119,908.38/27,175.28
  6. Step 6: Final answer
    x = 17,078.75

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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.