Home / 22,640.38-33,956.08-11,392.72

Finding the Fourth Proportional to 22,640.38, 33,956.08 and 11,392.72

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Solution

The fourth proportional to 22,640.38, 33,956.08 and 11,392.72 is: 17,086.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,640.38 : 33,956.08 = 11,392.72 : x
  2. Step 2: Convert to fraction form
    22,640.38/33,956.08 = 11,392.72/x
  3. Step 3: Cross multiply
    22,640.38x = 33,956.08 × 11,392.72
  4. Step 4: Simplify right side
    22,640.38x = 386,852,054.77
  5. Step 5: Solve for x
    x = 386,852,054.77/22,640.38
  6. Step 6: Final answer
    x = 17,086.82

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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.