Home / 22,290.24-33,273.24-21,279.36

Finding the Fourth Proportional to 22,290.24, 33,273.24 and 21,279.36

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Solution

The fourth proportional to 22,290.24, 33,273.24 and 21,279.36 is: 31,764.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,290.24 : 33,273.24 = 21,279.36 : x
  2. Step 2: Convert to fraction form
    22,290.24/33,273.24 = 21,279.36/x
  3. Step 3: Cross multiply
    22,290.24x = 33,273.24 × 21,279.36
  4. Step 4: Simplify right side
    22,290.24x = 708,033,252.33
  5. Step 5: Solve for x
    x = 708,033,252.33/22,290.24
  6. Step 6: Final answer
    x = 31,764.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.