Home / 28,899.44-43,341.60-8,118.08

Finding the Fourth Proportional to 28,899.44, 43,341.60 and 8,118.08

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Solution

The fourth proportional to 28,899.44, 43,341.60 and 8,118.08 is: 12,175.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,899.44 : 43,341.60 = 8,118.08 : x
  2. Step 2: Convert to fraction form
    28,899.44/43,341.60 = 8,118.08/x
  3. Step 3: Cross multiply
    28,899.44x = 43,341.60 × 8,118.08
  4. Step 4: Simplify right side
    28,899.44x = 351,850,576.13
  5. Step 5: Solve for x
    x = 351,850,576.13/28,899.44
  6. Step 6: Final answer
    x = 12,175.00

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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.