Home / 29,222.73-43,821.14-18,128.97

Finding the Fourth Proportional to 29,222.73, 43,821.14 and 18,128.97

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Solution

The fourth proportional to 29,222.73, 43,821.14 and 18,128.97 is: 27,185.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,222.73 : 43,821.14 = 18,128.97 : x
  2. Step 2: Convert to fraction form
    29,222.73/43,821.14 = 18,128.97/x
  3. Step 3: Cross multiply
    29,222.73x = 43,821.14 × 18,128.97
  4. Step 4: Simplify right side
    29,222.73x = 794,432,041.78
  5. Step 5: Solve for x
    x = 794,432,041.78/29,222.73
  6. Step 6: Final answer
    x = 27,185.41

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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.