Home / 49,428.96-68,212.40-28,208

Finding the Fourth Proportional to 49,428.96, 68,212.40 and 28,208

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Solution

The fourth proportional to 49,428.96, 68,212.40 and 28,208 is: 38,927.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,428.96 : 68,212.40 = 28,208 : x
  2. Step 2: Convert to fraction form
    49,428.96/68,212.40 = 28,208/x
  3. Step 3: Cross multiply
    49,428.96x = 68,212.40 × 28,208
  4. Step 4: Simplify right side
    49,428.96x = 1,924,135,379.20
  5. Step 5: Solve for x
    x = 1,924,135,379.20/49,428.96
  6. Step 6: Final answer
    x = 38,927.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.