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Finding the Fourth Proportional to 28,025.16, 38,674.99 and 15,450.36

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Solution

The fourth proportional to 28,025.16, 38,674.99 and 15,450.36 is: 21,321.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,025.16 : 38,674.99 = 15,450.36 : x
  2. Step 2: Convert to fraction form
    28,025.16/38,674.99 = 15,450.36/x
  3. Step 3: Cross multiply
    28,025.16x = 38,674.99 × 15,450.36
  4. Step 4: Simplify right side
    28,025.16x = 597,542,518.50
  5. Step 5: Solve for x
    x = 597,542,518.50/28,025.16
  6. Step 6: Final answer
    x = 21,321.65

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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.