Home / 27,825.56-41,740.92-9,105.72

Finding the Fourth Proportional to 27,825.56, 41,740.92 and 9,105.72

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Solution

The fourth proportional to 27,825.56, 41,740.92 and 9,105.72 is: 13,659.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,825.56 : 41,740.92 = 9,105.72 : x
  2. Step 2: Convert to fraction form
    27,825.56/41,740.92 = 9,105.72/x
  3. Step 3: Cross multiply
    27,825.56x = 41,740.92 × 9,105.72
  4. Step 4: Simplify right side
    27,825.56x = 380,081,130.06
  5. Step 5: Solve for x
    x = 380,081,130.06/27,825.56
  6. Step 6: Final answer
    x = 13,659.42

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1.5x scale

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.