Home / 28,795.75-43,168.14-11,253.31

Finding the Fourth Proportional to 28,795.75, 43,168.14 and 11,253.31

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Solution

The fourth proportional to 28,795.75, 43,168.14 and 11,253.31 is: 16,870.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,795.75 : 43,168.14 = 11,253.31 : x
  2. Step 2: Convert to fraction form
    28,795.75/43,168.14 = 11,253.31/x
  3. Step 3: Cross multiply
    28,795.75x = 43,168.14 × 11,253.31
  4. Step 4: Simplify right side
    28,795.75x = 485,784,461.54
  5. Step 5: Solve for x
    x = 485,784,461.54/28,795.75
  6. Step 6: Final answer
    x = 16,870.01

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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.