Home / 27,690.20-41,540.70-11,047.40

Finding the Fourth Proportional to 27,690.20, 41,540.70 and 11,047.40

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Solution

The fourth proportional to 27,690.20, 41,540.70 and 11,047.40 is: 16,573.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,690.20 : 41,540.70 = 11,047.40 : x
  2. Step 2: Convert to fraction form
    27,690.20/41,540.70 = 11,047.40/x
  3. Step 3: Cross multiply
    27,690.20x = 41,540.70 × 11,047.40
  4. Step 4: Simplify right side
    27,690.20x = 458,916,729.18
  5. Step 5: Solve for x
    x = 458,916,729.18/27,690.20
  6. Step 6: Final answer
    x = 16,573.25

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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.