Home / 28,899.38-43,349.07-8,122.88

Finding the Fourth Proportional to 28,899.38, 43,349.07 and 8,122.88

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Solution

The fourth proportional to 28,899.38, 43,349.07 and 8,122.88 is: 12,184.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,899.38 : 43,349.07 = 8,122.88 : x
  2. Step 2: Convert to fraction form
    28,899.38/43,349.07 = 8,122.88/x
  3. Step 3: Cross multiply
    28,899.38x = 43,349.07 × 8,122.88
  4. Step 4: Simplify right side
    28,899.38x = 352,119,076.98
  5. Step 5: Solve for x
    x = 352,119,076.98/28,899.38
  6. Step 6: Final answer
    x = 12,184.31

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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.