Home / 23,220.97-34,832.78-7,427.39

Finding the Fourth Proportional to 23,220.97, 34,832.78 and 7,427.39

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Solution

The fourth proportional to 23,220.97, 34,832.78 and 7,427.39 is: 11,141.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,220.97 : 34,832.78 = 7,427.39 : x
  2. Step 2: Convert to fraction form
    23,220.97/34,832.78 = 7,427.39/x
  3. Step 3: Cross multiply
    23,220.97x = 34,832.78 × 7,427.39
  4. Step 4: Simplify right side
    23,220.97x = 258,716,604.71
  5. Step 5: Solve for x
    x = 258,716,604.71/23,220.97
  6. Step 6: Final answer
    x = 11,141.51

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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.