Home / 52,786.85-72,847.62-28,914.86

Finding the Fourth Proportional to 52,786.85, 72,847.62 and 28,914.86

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Solution

The fourth proportional to 52,786.85, 72,847.62 and 28,914.86 is: 39,903.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,786.85 : 72,847.62 = 28,914.86 : x
  2. Step 2: Convert to fraction form
    52,786.85/72,847.62 = 28,914.86/x
  3. Step 3: Cross multiply
    52,786.85x = 72,847.62 × 28,914.86
  4. Step 4: Simplify right side
    52,786.85x = 2,106,378,915.75
  5. Step 5: Solve for x
    x = 2,106,378,915.75/52,786.85
  6. Step 6: Final answer
    x = 39,903.48

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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.