Home / 19,382.30-29,072.84-5,531.30

Finding the Fourth Proportional to 19,382.30, 29,072.84 and 5,531.30

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Solution

The fourth proportional to 19,382.30, 29,072.84 and 5,531.30 is: 8,296.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,382.30 : 29,072.84 = 5,531.30 : x
  2. Step 2: Convert to fraction form
    19,382.30/29,072.84 = 5,531.30/x
  3. Step 3: Cross multiply
    19,382.30x = 29,072.84 × 5,531.30
  4. Step 4: Simplify right side
    19,382.30x = 160,810,426.87
  5. Step 5: Solve for x
    x = 160,810,426.87/19,382.30
  6. Step 6: Final answer
    x = 8,296.77

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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.