Home / 26,796.87-40,172.61-10,147.72

Finding the Fourth Proportional to 26,796.87, 40,172.61 and 10,147.72

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Solution

The fourth proportional to 26,796.87, 40,172.61 and 10,147.72 is: 15,212.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,796.87 : 40,172.61 = 10,147.72 : x
  2. Step 2: Convert to fraction form
    26,796.87/40,172.61 = 10,147.72/x
  3. Step 3: Cross multiply
    26,796.87x = 40,172.61 × 10,147.72
  4. Step 4: Simplify right side
    26,796.87x = 407,660,397.95
  5. Step 5: Solve for x
    x = 407,660,397.95/26,796.87
  6. Step 6: Final answer
    x = 15,212.99

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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.