Home / 29,156.13-43,792.68-28,198.64

Finding the Fourth Proportional to 29,156.13, 43,792.68 and 28,198.64

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Solution

The fourth proportional to 29,156.13, 43,792.68 and 28,198.64 is: 42,354.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,156.13 : 43,792.68 = 28,198.64 : x
  2. Step 2: Convert to fraction form
    29,156.13/43,792.68 = 28,198.64/x
  3. Step 3: Cross multiply
    29,156.13x = 43,792.68 × 28,198.64
  4. Step 4: Simplify right side
    29,156.13x = 1,234,893,798.99
  5. Step 5: Solve for x
    x = 1,234,893,798.99/29,156.13
  6. Step 6: Final answer
    x = 42,354.52

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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.