Home / 19,027.14-28,540.79-5,176.14

Finding the Fourth Proportional to 19,027.14, 28,540.79 and 5,176.14

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Solution

The fourth proportional to 19,027.14, 28,540.79 and 5,176.14 is: 7,764.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,027.14 : 28,540.79 = 5,176.14 : x
  2. Step 2: Convert to fraction form
    19,027.14/28,540.79 = 5,176.14/x
  3. Step 3: Cross multiply
    19,027.14x = 28,540.79 × 5,176.14
  4. Step 4: Simplify right side
    19,027.14x = 147,731,124.75
  5. Step 5: Solve for x
    x = 147,731,124.75/19,027.14
  6. Step 6: Final answer
    x = 7,764.23

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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.