Home / 19,826.14-29,713.52-15,128.82

Finding the Fourth Proportional to 19,826.14, 29,713.52 and 15,128.82

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Solution

The fourth proportional to 19,826.14, 29,713.52 and 15,128.82 is: 22,673.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,826.14 : 29,713.52 = 15,128.82 : x
  2. Step 2: Convert to fraction form
    19,826.14/29,713.52 = 15,128.82/x
  3. Step 3: Cross multiply
    19,826.14x = 29,713.52 × 15,128.82
  4. Step 4: Simplify right side
    19,826.14x = 449,530,495.65
  5. Step 5: Solve for x
    x = 449,530,495.65/19,826.14
  6. Step 6: Final answer
    x = 22,673.63

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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.