Home / 27,082.88-40,627.20-7,361.72

Finding the Fourth Proportional to 27,082.88, 40,627.20 and 7,361.72

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Solution

The fourth proportional to 27,082.88, 40,627.20 and 7,361.72 is: 11,043.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,082.88 : 40,627.20 = 7,361.72 : x
  2. Step 2: Convert to fraction form
    27,082.88/40,627.20 = 7,361.72/x
  3. Step 3: Cross multiply
    27,082.88x = 40,627.20 × 7,361.72
  4. Step 4: Simplify right side
    27,082.88x = 299,086,070.78
  5. Step 5: Solve for x
    x = 299,086,070.78/27,082.88
  6. Step 6: Final answer
    x = 11,043.36

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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.