Home / 27,619.20-41,434.20-10,976.40

Finding the Fourth Proportional to 27,619.20, 41,434.20 and 10,976.40

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Solution

The fourth proportional to 27,619.20, 41,434.20 and 10,976.40 is: 16,466.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,619.20 : 41,434.20 = 10,976.40 : x
  2. Step 2: Convert to fraction form
    27,619.20/41,434.20 = 10,976.40/x
  3. Step 3: Cross multiply
    27,619.20x = 41,434.20 × 10,976.40
  4. Step 4: Simplify right side
    27,619.20x = 454,798,352.88
  5. Step 5: Solve for x
    x = 454,798,352.88/27,619.20
  6. Step 6: Final answer
    x = 16,466.75

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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.