Home / 22,292.46-33,239.39-21,680.10

Finding the Fourth Proportional to 22,292.46, 33,239.39 and 21,680.10

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Solution

The fourth proportional to 22,292.46, 33,239.39 and 21,680.10 is: 32,326.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,292.46 : 33,239.39 = 21,680.10 : x
  2. Step 2: Convert to fraction form
    22,292.46/33,239.39 = 21,680.10/x
  3. Step 3: Cross multiply
    22,292.46x = 33,239.39 × 21,680.10
  4. Step 4: Simplify right side
    22,292.46x = 720,633,190.74
  5. Step 5: Solve for x
    x = 720,633,190.74/22,292.46
  6. Step 6: Final answer
    x = 32,326.32

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Half scale
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Double scale
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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.