Home / 38,521.92-57,772.80-10,813.44

Finding the Fourth Proportional to 38,521.92, 57,772.80 and 10,813.44

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Solution

The fourth proportional to 38,521.92, 57,772.80 and 10,813.44 is: 16,217.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,521.92 : 57,772.80 = 10,813.44 : x
  2. Step 2: Convert to fraction form
    38,521.92/57,772.80 = 10,813.44/x
  3. Step 3: Cross multiply
    38,521.92x = 57,772.80 × 10,813.44
  4. Step 4: Simplify right side
    38,521.92x = 624,722,706.43
  5. Step 5: Solve for x
    x = 624,722,706.43/38,521.92
  6. Step 6: Final answer
    x = 16,217.33

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1.5x scale

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.