Home / 52,779.69-72,835.97-28,906.36

Finding the Fourth Proportional to 52,779.69, 72,835.97 and 28,906.36

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Solution

The fourth proportional to 52,779.69, 72,835.97 and 28,906.36 is: 39,890.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,779.69 : 72,835.97 = 28,906.36 : x
  2. Step 2: Convert to fraction form
    52,779.69/72,835.97 = 28,906.36/x
  3. Step 3: Cross multiply
    52,779.69x = 72,835.97 × 28,906.36
  4. Step 4: Simplify right side
    52,779.69x = 2,105,422,769.77
  5. Step 5: Solve for x
    x = 2,105,422,769.77/52,779.69
  6. Step 6: Final answer
    x = 39,890.78

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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.