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Finding the Fourth Proportional to 14,570, 21,855 and 3,626

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Solution

The fourth proportional to 14,570, 21,855 and 3,626 is: 5,439

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,570 : 21,855 = 3,626 : x
  2. Step 2: Convert to fraction form
    14,570/21,855 = 3,626/x
  3. Step 3: Cross multiply
    14,570x = 21,855 × 3,626
  4. Step 4: Simplify right side
    14,570x = 79,246,230
  5. Step 5: Solve for x
    x = 79,246,230/14,570
  6. Step 6: Final answer
    x = 5,439

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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.