Home / 27,311.27-40,967.91-9,781.07

Finding the Fourth Proportional to 27,311.27, 40,967.91 and 9,781.07

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Solution

The fourth proportional to 27,311.27, 40,967.91 and 9,781.07 is: 14,671.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,311.27 : 40,967.91 = 9,781.07 : x
  2. Step 2: Convert to fraction form
    27,311.27/40,967.91 = 9,781.07/x
  3. Step 3: Cross multiply
    27,311.27x = 40,967.91 × 9,781.07
  4. Step 4: Simplify right side
    27,311.27x = 400,709,790.62
  5. Step 5: Solve for x
    x = 400,709,790.62/27,311.27
  6. Step 6: Final answer
    x = 14,671.96

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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.