Home / 52,778.36-72,834.25-28,579.59

Finding the Fourth Proportional to 52,778.36, 72,834.25 and 28,579.59

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Solution

The fourth proportional to 52,778.36, 72,834.25 and 28,579.59 is: 39,439.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,778.36 : 72,834.25 = 28,579.59 : x
  2. Step 2: Convert to fraction form
    52,778.36/72,834.25 = 28,579.59/x
  3. Step 3: Cross multiply
    52,778.36x = 72,834.25 × 28,579.59
  4. Step 4: Simplify right side
    52,778.36x = 2,081,573,002.96
  5. Step 5: Solve for x
    x = 2,081,573,002.96/52,778.36
  6. Step 6: Final answer
    x = 39,439.90

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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.