Home / 27,763.20-41,644.80-16,682.40

Finding the Fourth Proportional to 27,763.20, 41,644.80 and 16,682.40

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Solution

The fourth proportional to 27,763.20, 41,644.80 and 16,682.40 is: 25,023.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,763.20 : 41,644.80 = 16,682.40 : x
  2. Step 2: Convert to fraction form
    27,763.20/41,644.80 = 16,682.40/x
  3. Step 3: Cross multiply
    27,763.20x = 41,644.80 × 16,682.40
  4. Step 4: Simplify right side
    27,763.20x = 694,735,211.52
  5. Step 5: Solve for x
    x = 694,735,211.52/27,763.20
  6. Step 6: Final answer
    x = 25,023.60

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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.