Home / 27,157.20-40,725.80-9,383.33

Finding the Fourth Proportional to 27,157.20, 40,725.80 and 9,383.33

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Solution

The fourth proportional to 27,157.20, 40,725.80 and 9,383.33 is: 14,071.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,157.20 : 40,725.80 = 9,383.33 : x
  2. Step 2: Convert to fraction form
    27,157.20/40,725.80 = 9,383.33/x
  3. Step 3: Cross multiply
    27,157.20x = 40,725.80 × 9,383.33
  4. Step 4: Simplify right side
    27,157.20x = 382,143,620.91
  5. Step 5: Solve for x
    x = 382,143,620.91/27,157.20
  6. Step 6: Final answer
    x = 14,071.54

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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.