Home / 19,077.10-28,608.46-7,984.56

Finding the Fourth Proportional to 19,077.10, 28,608.46 and 7,984.56

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Solution

The fourth proportional to 19,077.10, 28,608.46 and 7,984.56 is: 11,973.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,077.10 : 28,608.46 = 7,984.56 : x
  2. Step 2: Convert to fraction form
    19,077.10/28,608.46 = 7,984.56/x
  3. Step 3: Cross multiply
    19,077.10x = 28,608.46 × 7,984.56
  4. Step 4: Simplify right side
    19,077.10x = 228,425,965.38
  5. Step 5: Solve for x
    x = 228,425,965.38/19,077.10
  6. Step 6: Final answer
    x = 11,973.83

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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.