Home / 28,197.48-38,912.44-16,260.80

Finding the Fourth Proportional to 28,197.48, 38,912.44 and 16,260.80

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Solution

The fourth proportional to 28,197.48, 38,912.44 and 16,260.80 is: 22,439.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,197.48 : 38,912.44 = 16,260.80 : x
  2. Step 2: Convert to fraction form
    28,197.48/38,912.44 = 16,260.80/x
  3. Step 3: Cross multiply
    28,197.48x = 38,912.44 × 16,260.80
  4. Step 4: Simplify right side
    28,197.48x = 632,747,404.35
  5. Step 5: Solve for x
    x = 632,747,404.35/28,197.48
  6. Step 6: Final answer
    x = 22,439.86

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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.