Home / 28,517.76-42,777.22-8,796.34

Finding the Fourth Proportional to 28,517.76, 42,777.22 and 8,796.34

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Solution

The fourth proportional to 28,517.76, 42,777.22 and 8,796.34 is: 13,194.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,517.76 : 42,777.22 = 8,796.34 : x
  2. Step 2: Convert to fraction form
    28,517.76/42,777.22 = 8,796.34/x
  3. Step 3: Cross multiply
    28,517.76x = 42,777.22 × 8,796.34
  4. Step 4: Simplify right side
    28,517.76x = 376,282,971.37
  5. Step 5: Solve for x
    x = 376,282,971.37/28,517.76
  6. Step 6: Final answer
    x = 13,194.69

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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.