Home / 28,331.73-42,456.27-25,218

Finding the Fourth Proportional to 28,331.73, 42,456.27 and 25,218

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Solution

The fourth proportional to 28,331.73, 42,456.27 and 25,218 is: 37,790.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,331.73 : 42,456.27 = 25,218 : x
  2. Step 2: Convert to fraction form
    28,331.73/42,456.27 = 25,218/x
  3. Step 3: Cross multiply
    28,331.73x = 42,456.27 × 25,218
  4. Step 4: Simplify right side
    28,331.73x = 1,070,662,216.86
  5. Step 5: Solve for x
    x = 1,070,662,216.86/28,331.73
  6. Step 6: Final answer
    x = 37,790.22

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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.