Home / 19,936.40-29,878.67-8,826.44

Finding the Fourth Proportional to 19,936.40, 29,878.67 and 8,826.44

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Solution

The fourth proportional to 19,936.40, 29,878.67 and 8,826.44 is: 13,228.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,936.40 : 29,878.67 = 8,826.44 : x
  2. Step 2: Convert to fraction form
    19,936.40/29,878.67 = 8,826.44/x
  3. Step 3: Cross multiply
    19,936.40x = 29,878.67 × 8,826.44
  4. Step 4: Simplify right side
    19,936.40x = 263,722,160.71
  5. Step 5: Solve for x
    x = 263,722,160.71/19,936.40
  6. Step 6: Final answer
    x = 13,228.18

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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.