Home / 28,995.18-43,493.19-8,218.68

Finding the Fourth Proportional to 28,995.18, 43,493.19 and 8,218.68

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Solution

The fourth proportional to 28,995.18, 43,493.19 and 8,218.68 is: 12,328.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,995.18 : 43,493.19 = 8,218.68 : x
  2. Step 2: Convert to fraction form
    28,995.18/43,493.19 = 8,218.68/x
  3. Step 3: Cross multiply
    28,995.18x = 43,493.19 × 8,218.68
  4. Step 4: Simplify right side
    28,995.18x = 357,456,610.79
  5. Step 5: Solve for x
    x = 357,456,610.79/28,995.18
  6. Step 6: Final answer
    x = 12,328.14

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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.