Home / 27,701.12-41,558.72-7,979.68

Finding the Fourth Proportional to 27,701.12, 41,558.72 and 7,979.68

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Solution

The fourth proportional to 27,701.12, 41,558.72 and 7,979.68 is: 11,971.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,701.12 : 41,558.72 = 7,979.68 : x
  2. Step 2: Convert to fraction form
    27,701.12/41,558.72 = 7,979.68/x
  3. Step 3: Cross multiply
    27,701.12x = 41,558.72 × 7,979.68
  4. Step 4: Simplify right side
    27,701.12x = 331,625,286.81
  5. Step 5: Solve for x
    x = 331,625,286.81/27,701.12
  6. Step 6: Final answer
    x = 11,971.55

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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.