Home / 28,956.48-43,435.17-9,251.61

Finding the Fourth Proportional to 28,956.48, 43,435.17 and 9,251.61

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Solution

The fourth proportional to 28,956.48, 43,435.17 and 9,251.61 is: 13,877.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,956.48 : 43,435.17 = 9,251.61 : x
  2. Step 2: Convert to fraction form
    28,956.48/43,435.17 = 9,251.61/x
  3. Step 3: Cross multiply
    28,956.48x = 43,435.17 × 9,251.61
  4. Step 4: Simplify right side
    28,956.48x = 401,845,253.12
  5. Step 5: Solve for x
    x = 401,845,253.12/28,956.48
  6. Step 6: Final answer
    x = 13,877.56

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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.