Home / 22,949.70-31,645.29-15,863.82

Finding the Fourth Proportional to 22,949.70, 31,645.29 and 15,863.82

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Solution

The fourth proportional to 22,949.70, 31,645.29 and 15,863.82 is: 21,874.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,949.70 : 31,645.29 = 15,863.82 : x
  2. Step 2: Convert to fraction form
    22,949.70/31,645.29 = 15,863.82/x
  3. Step 3: Cross multiply
    22,949.70x = 31,645.29 × 15,863.82
  4. Step 4: Simplify right side
    22,949.70x = 502,015,045.81
  5. Step 5: Solve for x
    x = 502,015,045.81/22,949.70
  6. Step 6: Final answer
    x = 21,874.58

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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.