Home / 22,806.24-31,494.35-21,563.77

Finding the Fourth Proportional to 22,806.24, 31,494.35 and 21,563.77

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Solution

The fourth proportional to 22,806.24, 31,494.35 and 21,563.77 is: 29,778.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,806.24 : 31,494.35 = 21,563.77 : x
  2. Step 2: Convert to fraction form
    22,806.24/31,494.35 = 21,563.77/x
  3. Step 3: Cross multiply
    22,806.24x = 31,494.35 × 21,563.77
  4. Step 4: Simplify right side
    22,806.24x = 679,136,919.70
  5. Step 5: Solve for x
    x = 679,136,919.70/22,806.24
  6. Step 6: Final answer
    x = 29,778.55

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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.