Home / 52,081.41-71,872.44-28,208.10

Finding the Fourth Proportional to 52,081.41, 71,872.44 and 28,208.10

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Solution

The fourth proportional to 52,081.41, 71,872.44 and 28,208.10 is: 38,927.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,081.41 : 71,872.44 = 28,208.10 : x
  2. Step 2: Convert to fraction form
    52,081.41/71,872.44 = 28,208.10/x
  3. Step 3: Cross multiply
    52,081.41x = 71,872.44 × 28,208.10
  4. Step 4: Simplify right side
    52,081.41x = 2,027,384,813.56
  5. Step 5: Solve for x
    x = 2,027,384,813.56/52,081.41
  6. Step 6: Final answer
    x = 38,927.23

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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.