Home / 29,270.20-43,905.30-16,828.60

Finding the Fourth Proportional to 29,270.20, 43,905.30 and 16,828.60

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Solution

The fourth proportional to 29,270.20, 43,905.30 and 16,828.60 is: 25,242.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,270.20 : 43,905.30 = 16,828.60 : x
  2. Step 2: Convert to fraction form
    29,270.20/43,905.30 = 16,828.60/x
  3. Step 3: Cross multiply
    29,270.20x = 43,905.30 × 16,828.60
  4. Step 4: Simplify right side
    29,270.20x = 738,864,731.58
  5. Step 5: Solve for x
    x = 738,864,731.58/29,270.20
  6. Step 6: Final answer
    x = 25,242.90

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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.