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Finding the Fourth Proportional to 28,108.99, 38,795.85 and 18,050.14

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Solution

The fourth proportional to 28,108.99, 38,795.85 and 18,050.14 is: 24,912.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,108.99 : 38,795.85 = 18,050.14 : x
  2. Step 2: Convert to fraction form
    28,108.99/38,795.85 = 18,050.14/x
  3. Step 3: Cross multiply
    28,108.99x = 38,795.85 × 18,050.14
  4. Step 4: Simplify right side
    28,108.99x = 700,270,523.92
  5. Step 5: Solve for x
    x = 700,270,523.92/28,108.99
  6. Step 6: Final answer
    x = 24,912.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.