Home / 26,772.72-40,145.72-15,682.16

Finding the Fourth Proportional to 26,772.72, 40,145.72 and 15,682.16

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Solution

The fourth proportional to 26,772.72, 40,145.72 and 15,682.16 is: 23,515.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,772.72 : 40,145.72 = 15,682.16 : x
  2. Step 2: Convert to fraction form
    26,772.72/40,145.72 = 15,682.16/x
  3. Step 3: Cross multiply
    26,772.72x = 40,145.72 × 15,682.16
  4. Step 4: Simplify right side
    26,772.72x = 629,571,604.36
  5. Step 5: Solve for x
    x = 629,571,604.36/26,772.72
  6. Step 6: Final answer
    x = 23,515.41

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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.