Home / 43,874.54-65,817.28-14,284.43

Finding the Fourth Proportional to 43,874.54, 65,817.28 and 14,284.43

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Solution

The fourth proportional to 43,874.54, 65,817.28 and 14,284.43 is: 21,428.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,874.54 : 65,817.28 = 14,284.43 : x
  2. Step 2: Convert to fraction form
    43,874.54/65,817.28 = 14,284.43/x
  3. Step 3: Cross multiply
    43,874.54x = 65,817.28 × 14,284.43
  4. Step 4: Simplify right side
    43,874.54x = 940,162,511.35
  5. Step 5: Solve for x
    x = 940,162,511.35/43,874.54
  6. Step 6: Final answer
    x = 21,428.43

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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.