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Finding the Fourth Proportional to 14,423.60, 21,639 and 4,035.26

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Solution

The fourth proportional to 14,423.60, 21,639 and 4,035.26 is: 6,053.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,423.60 : 21,639 = 4,035.26 : x
  2. Step 2: Convert to fraction form
    14,423.60/21,639 = 4,035.26/x
  3. Step 3: Cross multiply
    14,423.60x = 21,639 × 4,035.26
  4. Step 4: Simplify right side
    14,423.60x = 87,318,991.14
  5. Step 5: Solve for x
    x = 87,318,991.14/14,423.60
  6. Step 6: Final answer
    x = 6,053.90

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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.