Home / 22,794.39-31,456.85-12,722.78

Finding the Fourth Proportional to 22,794.39, 31,456.85 and 12,722.78

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Solution

The fourth proportional to 22,794.39, 31,456.85 and 12,722.78 is: 17,557.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,794.39 : 31,456.85 = 12,722.78 : x
  2. Step 2: Convert to fraction form
    22,794.39/31,456.85 = 12,722.78/x
  3. Step 3: Cross multiply
    22,794.39x = 31,456.85 × 12,722.78
  4. Step 4: Simplify right side
    22,794.39x = 400,218,582.04
  5. Step 5: Solve for x
    x = 400,218,582.04/22,794.39
  6. Step 6: Final answer
    x = 17,557.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.