Home / 28,869.23-43,270.23-12,223.73

Finding the Fourth Proportional to 28,869.23, 43,270.23 and 12,223.73

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Solution

The fourth proportional to 28,869.23, 43,270.23 and 12,223.73 is: 18,321.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,869.23 : 43,270.23 = 12,223.73 : x
  2. Step 2: Convert to fraction form
    28,869.23/43,270.23 = 12,223.73/x
  3. Step 3: Cross multiply
    28,869.23x = 43,270.23 × 12,223.73
  4. Step 4: Simplify right side
    28,869.23x = 528,923,608.56
  5. Step 5: Solve for x
    x = 528,923,608.56/28,869.23
  6. Step 6: Final answer
    x = 18,321.36

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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.