Home / 27,880.20-41,763.60-17,317.80

Finding the Fourth Proportional to 27,880.20, 41,763.60 and 17,317.80

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Solution

The fourth proportional to 27,880.20, 41,763.60 and 17,317.80 is: 25,941.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,880.20 : 41,763.60 = 17,317.80 : x
  2. Step 2: Convert to fraction form
    27,880.20/41,763.60 = 17,317.80/x
  3. Step 3: Cross multiply
    27,880.20x = 41,763.60 × 17,317.80
  4. Step 4: Simplify right side
    27,880.20x = 723,253,672.08
  5. Step 5: Solve for x
    x = 723,253,672.08/27,880.20
  6. Step 6: Final answer
    x = 25,941.48

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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.