Home / 41,998.40-62,911.20-28,865.60

Finding the Fourth Proportional to 41,998.40, 62,911.20 and 28,865.60

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Solution

The fourth proportional to 41,998.40, 62,911.20 and 28,865.60 is: 43,239.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,998.40 : 62,911.20 = 28,865.60 : x
  2. Step 2: Convert to fraction form
    41,998.40/62,911.20 = 28,865.60/x
  3. Step 3: Cross multiply
    41,998.40x = 62,911.20 × 28,865.60
  4. Step 4: Simplify right side
    41,998.40x = 1,815,969,534.72
  5. Step 5: Solve for x
    x = 1,815,969,534.72/41,998.40
  6. Step 6: Final answer
    x = 43,239.02

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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.