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Finding the Fourth Proportional to 16,687.87, 25,038.78 and 7,323.05

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Solution

The fourth proportional to 16,687.87, 25,038.78 and 7,323.05 is: 10,987.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,687.87 : 25,038.78 = 7,323.05 : x
  2. Step 2: Convert to fraction form
    16,687.87/25,038.78 = 7,323.05/x
  3. Step 3: Cross multiply
    16,687.87x = 25,038.78 × 7,323.05
  4. Step 4: Simplify right side
    16,687.87x = 183,360,237.88
  5. Step 5: Solve for x
    x = 183,360,237.88/16,687.87
  6. Step 6: Final answer
    x = 10,987.64

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.