Home / 28,844.89-43,275.30-12,196.15

Finding the Fourth Proportional to 28,844.89, 43,275.30 and 12,196.15

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Solution

The fourth proportional to 28,844.89, 43,275.30 and 12,196.15 is: 18,297.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,844.89 : 43,275.30 = 12,196.15 : x
  2. Step 2: Convert to fraction form
    28,844.89/43,275.30 = 12,196.15/x
  3. Step 3: Cross multiply
    28,844.89x = 43,275.30 × 12,196.15
  4. Step 4: Simplify right side
    28,844.89x = 527,792,050.10
  5. Step 5: Solve for x
    x = 527,792,050.10/28,844.89
  6. Step 6: Final answer
    x = 18,297.59

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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.