Home / 28,517.27-42,761.63-8,793.26

Finding the Fourth Proportional to 28,517.27, 42,761.63 and 8,793.26

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Solution

The fourth proportional to 28,517.27, 42,761.63 and 8,793.26 is: 13,185.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,517.27 : 42,761.63 = 8,793.26 : x
  2. Step 2: Convert to fraction form
    28,517.27/42,761.63 = 8,793.26/x
  3. Step 3: Cross multiply
    28,517.27x = 42,761.63 × 8,793.26
  4. Step 4: Simplify right side
    28,517.27x = 376,014,193.55
  5. Step 5: Solve for x
    x = 376,014,193.55/28,517.27
  6. Step 6: Final answer
    x = 13,185.49

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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.