Home / 20,942.73-31,369.01-9,832.77

Finding the Fourth Proportional to 20,942.73, 31,369.01 and 9,832.77

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Solution

The fourth proportional to 20,942.73, 31,369.01 and 9,832.77 is: 14,727.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,942.73 : 31,369.01 = 9,832.77 : x
  2. Step 2: Convert to fraction form
    20,942.73/31,369.01 = 9,832.77/x
  3. Step 3: Cross multiply
    20,942.73x = 31,369.01 × 9,832.77
  4. Step 4: Simplify right side
    20,942.73x = 308,444,211.29
  5. Step 5: Solve for x
    x = 308,444,211.29/20,942.73
  6. Step 6: Final answer
    x = 14,727.98

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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.