Home / 26,891.37-40,336.74-7,171.47

Finding the Fourth Proportional to 26,891.37, 40,336.74 and 7,171.47

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Solution

The fourth proportional to 26,891.37, 40,336.74 and 7,171.47 is: 10,757.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,891.37 : 40,336.74 = 7,171.47 : x
  2. Step 2: Convert to fraction form
    26,891.37/40,336.74 = 7,171.47/x
  3. Step 3: Cross multiply
    26,891.37x = 40,336.74 × 7,171.47
  4. Step 4: Simplify right side
    26,891.37x = 289,273,720.81
  5. Step 5: Solve for x
    x = 289,273,720.81/26,891.37
  6. Step 6: Final answer
    x = 10,757.12

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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.