Home / 28,010.20-41,958.60-17,447.80

Finding the Fourth Proportional to 28,010.20, 41,958.60 and 17,447.80

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Solution

The fourth proportional to 28,010.20, 41,958.60 and 17,447.80 is: 26,136.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,010.20 : 41,958.60 = 17,447.80 : x
  2. Step 2: Convert to fraction form
    28,010.20/41,958.60 = 17,447.80/x
  3. Step 3: Cross multiply
    28,010.20x = 41,958.60 × 17,447.80
  4. Step 4: Simplify right side
    28,010.20x = 732,085,261.08
  5. Step 5: Solve for x
    x = 732,085,261.08/28,010.20
  6. Step 6: Final answer
    x = 26,136.38

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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.