Home / 28,836.36-43,254.48-12,192

Finding the Fourth Proportional to 28,836.36, 43,254.48 and 12,192

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Solution

The fourth proportional to 28,836.36, 43,254.48 and 12,192 is: 18,287.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,836.36 : 43,254.48 = 12,192 : x
  2. Step 2: Convert to fraction form
    28,836.36/43,254.48 = 12,192/x
  3. Step 3: Cross multiply
    28,836.36x = 43,254.48 × 12,192
  4. Step 4: Simplify right side
    28,836.36x = 527,358,620.16
  5. Step 5: Solve for x
    x = 527,358,620.16/28,836.36
  6. Step 6: Final answer
    x = 18,287.97

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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.