Home / 28,676.25-43,006.16-12,040.02

Finding the Fourth Proportional to 28,676.25, 43,006.16 and 12,040.02

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Solution

The fourth proportional to 28,676.25, 43,006.16 and 12,040.02 is: 18,056.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,676.25 : 43,006.16 = 12,040.02 : x
  2. Step 2: Convert to fraction form
    28,676.25/43,006.16 = 12,040.02/x
  3. Step 3: Cross multiply
    28,676.25x = 43,006.16 × 12,040.02
  4. Step 4: Simplify right side
    28,676.25x = 517,795,056.62
  5. Step 5: Solve for x
    x = 517,795,056.62/28,676.25
  6. Step 6: Final answer
    x = 18,056.58

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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.