Home / 28,862.33-43,293.19-9,140.88

Finding the Fourth Proportional to 28,862.33, 43,293.19 and 9,140.88

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Solution

The fourth proportional to 28,862.33, 43,293.19 and 9,140.88 is: 13,711.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,862.33 : 43,293.19 = 9,140.88 : x
  2. Step 2: Convert to fraction form
    28,862.33/43,293.19 = 9,140.88/x
  3. Step 3: Cross multiply
    28,862.33x = 43,293.19 × 9,140.88
  4. Step 4: Simplify right side
    28,862.33x = 395,737,815.75
  5. Step 5: Solve for x
    x = 395,737,815.75/28,862.33
  6. Step 6: Final answer
    x = 13,711.22

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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.