Home / 28,866.30-43,304.49-9,141.18

Finding the Fourth Proportional to 28,866.30, 43,304.49 and 9,141.18

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Solution

The fourth proportional to 28,866.30, 43,304.49 and 9,141.18 is: 13,713.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,866.30 : 43,304.49 = 9,141.18 : x
  2. Step 2: Convert to fraction form
    28,866.30/43,304.49 = 9,141.18/x
  3. Step 3: Cross multiply
    28,866.30x = 43,304.49 × 9,141.18
  4. Step 4: Simplify right side
    28,866.30x = 395,854,137.90
  5. Step 5: Solve for x
    x = 395,854,137.90/28,866.30
  6. Step 6: Final answer
    x = 13,713.37

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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.