Home / 20,672.73-31,009.29-6,632.79

Finding the Fourth Proportional to 20,672.73, 31,009.29 and 6,632.79

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Solution

The fourth proportional to 20,672.73, 31,009.29 and 6,632.79 is: 9,949.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,672.73 : 31,009.29 = 6,632.79 : x
  2. Step 2: Convert to fraction form
    20,672.73/31,009.29 = 6,632.79/x
  3. Step 3: Cross multiply
    20,672.73x = 31,009.29 × 6,632.79
  4. Step 4: Simplify right side
    20,672.73x = 205,677,967.46
  5. Step 5: Solve for x
    x = 205,677,967.46/20,672.73
  6. Step 6: Final answer
    x = 9,949.24

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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.