Home / 19,273.64-28,914.54-7,427.72

Finding the Fourth Proportional to 19,273.64, 28,914.54 and 7,427.72

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Solution

The fourth proportional to 19,273.64, 28,914.54 and 7,427.72 is: 11,143.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,273.64 : 28,914.54 = 7,427.72 : x
  2. Step 2: Convert to fraction form
    19,273.64/28,914.54 = 7,427.72/x
  3. Step 3: Cross multiply
    19,273.64x = 28,914.54 × 7,427.72
  4. Step 4: Simplify right side
    19,273.64x = 214,769,107.05
  5. Step 5: Solve for x
    x = 214,769,107.05/19,273.64
  6. Step 6: Final answer
    x = 11,143.15

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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.