Home / 26,940.88-37,175.14-15,455.20

Finding the Fourth Proportional to 26,940.88, 37,175.14 and 15,455.20

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Solution

The fourth proportional to 26,940.88, 37,175.14 and 15,455.20 is: 21,326.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,940.88 : 37,175.14 = 15,455.20 : x
  2. Step 2: Convert to fraction form
    26,940.88/37,175.14 = 15,455.20/x
  3. Step 3: Cross multiply
    26,940.88x = 37,175.14 × 15,455.20
  4. Step 4: Simplify right side
    26,940.88x = 574,549,223.73
  5. Step 5: Solve for x
    x = 574,549,223.73/26,940.88
  6. Step 6: Final answer
    x = 21,326.30

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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.