Home / 52,815.24-79,221.24-21,627

Finding the Fourth Proportional to 52,815.24, 79,221.24 and 21,627

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Solution

The fourth proportional to 52,815.24, 79,221.24 and 21,627 is: 32,439.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,815.24 : 79,221.24 = 21,627 : x
  2. Step 2: Convert to fraction form
    52,815.24/79,221.24 = 21,627/x
  3. Step 3: Cross multiply
    52,815.24x = 79,221.24 × 21,627
  4. Step 4: Simplify right side
    52,815.24x = 1,713,317,757.48
  5. Step 5: Solve for x
    x = 1,713,317,757.48/52,815.24
  6. Step 6: Final answer
    x = 32,439.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.