Home / 28,872.27-43,314.89-9,152.01

Finding the Fourth Proportional to 28,872.27, 43,314.89 and 9,152.01

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Solution

The fourth proportional to 28,872.27, 43,314.89 and 9,152.01 is: 13,730.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,872.27 : 43,314.89 = 9,152.01 : x
  2. Step 2: Convert to fraction form
    28,872.27/43,314.89 = 9,152.01/x
  3. Step 3: Cross multiply
    28,872.27x = 43,314.89 × 9,152.01
  4. Step 4: Simplify right side
    28,872.27x = 396,418,260.67
  5. Step 5: Solve for x
    x = 396,418,260.67/28,872.27
  6. Step 6: Final answer
    x = 13,730.07

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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.