Home / 27,236.16-40,825.12-17,872.64

Finding the Fourth Proportional to 27,236.16, 40,825.12 and 17,872.64

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Solution

The fourth proportional to 27,236.16, 40,825.12 and 17,872.64 is: 26,789.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,236.16 : 40,825.12 = 17,872.64 : x
  2. Step 2: Convert to fraction form
    27,236.16/40,825.12 = 17,872.64/x
  3. Step 3: Cross multiply
    27,236.16x = 40,825.12 × 17,872.64
  4. Step 4: Simplify right side
    27,236.16x = 729,652,672.72
  5. Step 5: Solve for x
    x = 729,652,672.72/27,236.16
  6. Step 6: Final answer
    x = 26,789.85

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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.