Home / 20,927.73-31,391.61-5,345.37

Finding the Fourth Proportional to 20,927.73, 31,391.61 and 5,345.37

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Solution

The fourth proportional to 20,927.73, 31,391.61 and 5,345.37 is: 8,018.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,927.73 : 31,391.61 = 5,345.37 : x
  2. Step 2: Convert to fraction form
    20,927.73/31,391.61 = 5,345.37/x
  3. Step 3: Cross multiply
    20,927.73x = 31,391.61 × 5,345.37
  4. Step 4: Simplify right side
    20,927.73x = 167,799,770.35
  5. Step 5: Solve for x
    x = 167,799,770.35/20,927.73
  6. Step 6: Final answer
    x = 8,018.06

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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.