Home / 28,876.54-43,316.04-9,154.66

Finding the Fourth Proportional to 28,876.54, 43,316.04 and 9,154.66

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Solution

The fourth proportional to 28,876.54, 43,316.04 and 9,154.66 is: 13,732.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,876.54 : 43,316.04 = 9,154.66 : x
  2. Step 2: Convert to fraction form
    28,876.54/43,316.04 = 9,154.66/x
  3. Step 3: Cross multiply
    28,876.54x = 43,316.04 × 9,154.66
  4. Step 4: Simplify right side
    28,876.54x = 396,543,618.75
  5. Step 5: Solve for x
    x = 396,543,618.75/28,876.54
  6. Step 6: Final answer
    x = 13,732.38

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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.