Home / 26,940.21-37,175.72-15,608.78

Finding the Fourth Proportional to 26,940.21, 37,175.72 and 15,608.78

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Solution

The fourth proportional to 26,940.21, 37,175.72 and 15,608.78 is: 21,539.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,940.21 : 37,175.72 = 15,608.78 : x
  2. Step 2: Convert to fraction form
    26,940.21/37,175.72 = 15,608.78/x
  3. Step 3: Cross multiply
    26,940.21x = 37,175.72 × 15,608.78
  4. Step 4: Simplify right side
    26,940.21x = 580,267,370.90
  5. Step 5: Solve for x
    x = 580,267,370.90/26,940.21
  6. Step 6: Final answer
    x = 21,539.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.