Home / 29,927.70-41,317.41-19,869.72

Finding the Fourth Proportional to 29,927.70, 41,317.41 and 19,869.72

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Solution

The fourth proportional to 29,927.70, 41,317.41 and 19,869.72 is: 27,431.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,927.70 : 41,317.41 = 19,869.72 : x
  2. Step 2: Convert to fraction form
    29,927.70/41,317.41 = 19,869.72/x
  3. Step 3: Cross multiply
    29,927.70x = 41,317.41 × 19,869.72
  4. Step 4: Simplify right side
    29,927.70x = 820,965,367.83
  5. Step 5: Solve for x
    x = 820,965,367.83/29,927.70
  6. Step 6: Final answer
    x = 27,431.62

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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.