Home / 28,893.78-43,353.19-10,187.18

Finding the Fourth Proportional to 28,893.78, 43,353.19 and 10,187.18

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Solution

The fourth proportional to 28,893.78, 43,353.19 and 10,187.18 is: 15,285.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,893.78 : 43,353.19 = 10,187.18 : x
  2. Step 2: Convert to fraction form
    28,893.78/43,353.19 = 10,187.18/x
  3. Step 3: Cross multiply
    28,893.78x = 43,353.19 × 10,187.18
  4. Step 4: Simplify right side
    28,893.78x = 441,646,708.65
  5. Step 5: Solve for x
    x = 441,646,708.65/28,893.78
  6. Step 6: Final answer
    x = 15,285.18

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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.