Home / 52,768.20-72,819.96-28,896.36

Finding the Fourth Proportional to 52,768.20, 72,819.96 and 28,896.36

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Solution

The fourth proportional to 52,768.20, 72,819.96 and 28,896.36 is: 39,876.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,768.20 : 72,819.96 = 28,896.36 : x
  2. Step 2: Convert to fraction form
    52,768.20/72,819.96 = 28,896.36/x
  3. Step 3: Cross multiply
    52,768.20x = 72,819.96 × 28,896.36
  4. Step 4: Simplify right side
    52,768.20x = 2,104,231,779.35
  5. Step 5: Solve for x
    x = 2,104,231,779.35/52,768.20
  6. Step 6: Final answer
    x = 39,876.89

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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.