Home / 28,825.88-43,237.26-8,835.36

Finding the Fourth Proportional to 28,825.88, 43,237.26 and 8,835.36

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Solution

The fourth proportional to 28,825.88, 43,237.26 and 8,835.36 is: 13,252.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,825.88 : 43,237.26 = 8,835.36 : x
  2. Step 2: Convert to fraction form
    28,825.88/43,237.26 = 8,835.36/x
  3. Step 3: Cross multiply
    28,825.88x = 43,237.26 × 8,835.36
  4. Step 4: Simplify right side
    28,825.88x = 382,016,757.51
  5. Step 5: Solve for x
    x = 382,016,757.51/28,825.88
  6. Step 6: Final answer
    x = 13,252.56

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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.