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Finding the Fourth Proportional to 16,021.62, 24,035.87 and 4,928.06

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Solution

The fourth proportional to 16,021.62, 24,035.87 and 4,928.06 is: 7,393.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,021.62 : 24,035.87 = 4,928.06 : x
  2. Step 2: Convert to fraction form
    16,021.62/24,035.87 = 4,928.06/x
  3. Step 3: Cross multiply
    16,021.62x = 24,035.87 × 4,928.06
  4. Step 4: Simplify right side
    16,021.62x = 118,450,281.92
  5. Step 5: Solve for x
    x = 118,450,281.92/16,021.62
  6. Step 6: Final answer
    x = 7,393.15

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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.