Home / 22,998.30-31,737.24-12,789.96

Finding the Fourth Proportional to 22,998.30, 31,737.24 and 12,789.96

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Solution

The fourth proportional to 22,998.30, 31,737.24 and 12,789.96 is: 17,649.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,998.30 : 31,737.24 = 12,789.96 : x
  2. Step 2: Convert to fraction form
    22,998.30/31,737.24 = 12,789.96/x
  3. Step 3: Cross multiply
    22,998.30x = 31,737.24 × 12,789.96
  4. Step 4: Simplify right side
    22,998.30x = 405,918,030.11
  5. Step 5: Solve for x
    x = 405,918,030.11/22,998.30
  6. Step 6: Final answer
    x = 17,649.91

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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.