Home / 19,276.14-28,914.24-5,425.14

Finding the Fourth Proportional to 19,276.14, 28,914.24 and 5,425.14

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Solution

The fourth proportional to 19,276.14, 28,914.24 and 5,425.14 is: 8,137.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,276.14 : 28,914.24 = 5,425.14 : x
  2. Step 2: Convert to fraction form
    19,276.14/28,914.24 = 5,425.14/x
  3. Step 3: Cross multiply
    19,276.14x = 28,914.24 × 5,425.14
  4. Step 4: Simplify right side
    19,276.14x = 156,863,799.99
  5. Step 5: Solve for x
    x = 156,863,799.99/19,276.14
  6. Step 6: Final answer
    x = 8,137.72

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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.