Home / 27,580.56-41,380.20-12,008.40

Finding the Fourth Proportional to 27,580.56, 41,380.20 and 12,008.40

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Solution

The fourth proportional to 27,580.56, 41,380.20 and 12,008.40 is: 18,016.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,580.56 : 41,380.20 = 12,008.40 : x
  2. Step 2: Convert to fraction form
    27,580.56/41,380.20 = 12,008.40/x
  3. Step 3: Cross multiply
    27,580.56x = 41,380.20 × 12,008.40
  4. Step 4: Simplify right side
    27,580.56x = 496,909,993.68
  5. Step 5: Solve for x
    x = 496,909,993.68/27,580.56
  6. Step 6: Final answer
    x = 18,016.68

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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.