Home / 22,736.20-34,046.70-18,128.20

Finding the Fourth Proportional to 22,736.20, 34,046.70 and 18,128.20

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Solution

The fourth proportional to 22,736.20, 34,046.70 and 18,128.20 is: 27,146.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,736.20 : 34,046.70 = 18,128.20 : x
  2. Step 2: Convert to fraction form
    22,736.20/34,046.70 = 18,128.20/x
  3. Step 3: Cross multiply
    22,736.20x = 34,046.70 × 18,128.20
  4. Step 4: Simplify right side
    22,736.20x = 617,205,386.94
  5. Step 5: Solve for x
    x = 617,205,386.94/22,736.20
  6. Step 6: Final answer
    x = 27,146.37

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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.