Home / 26,796.80-40,172.52-10,147.66

Finding the Fourth Proportional to 26,796.80, 40,172.52 and 10,147.66

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Solution

The fourth proportional to 26,796.80, 40,172.52 and 10,147.66 is: 15,212.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,796.80 : 40,172.52 = 10,147.66 : x
  2. Step 2: Convert to fraction form
    26,796.80/40,172.52 = 10,147.66/x
  3. Step 3: Cross multiply
    26,796.80x = 40,172.52 × 10,147.66
  4. Step 4: Simplify right side
    26,796.80x = 407,657,074.30
  5. Step 5: Solve for x
    x = 407,657,074.30/26,796.80
  6. Step 6: Final answer
    x = 15,212.90

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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.