Home / 22,719.22-34,076.39-7,928.41

Finding the Fourth Proportional to 22,719.22, 34,076.39 and 7,928.41

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Solution

The fourth proportional to 22,719.22, 34,076.39 and 7,928.41 is: 11,891.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,719.22 : 34,076.39 = 7,928.41 : x
  2. Step 2: Convert to fraction form
    22,719.22/34,076.39 = 7,928.41/x
  3. Step 3: Cross multiply
    22,719.22x = 34,076.39 × 7,928.41
  4. Step 4: Simplify right side
    22,719.22x = 270,171,696.25
  5. Step 5: Solve for x
    x = 270,171,696.25/22,719.22
  6. Step 6: Final answer
    x = 11,891.77

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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.