Home / 26,770.31-40,128.72-17,893.11

Finding the Fourth Proportional to 26,770.31, 40,128.72 and 17,893.11

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Solution

The fourth proportional to 26,770.31, 40,128.72 and 17,893.11 is: 26,821.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,770.31 : 40,128.72 = 17,893.11 : x
  2. Step 2: Convert to fraction form
    26,770.31/40,128.72 = 17,893.11/x
  3. Step 3: Cross multiply
    26,770.31x = 40,128.72 × 17,893.11
  4. Step 4: Simplify right side
    26,770.31x = 718,027,601.12
  5. Step 5: Solve for x
    x = 718,027,601.12/26,770.31
  6. Step 6: Final answer
    x = 26,821.79

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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.