Home / 27,620.20-38,115.86-15,044.95

Finding the Fourth Proportional to 27,620.20, 38,115.86 and 15,044.95

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Solution

The fourth proportional to 27,620.20, 38,115.86 and 15,044.95 is: 20,762.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,620.20 : 38,115.86 = 15,044.95 : x
  2. Step 2: Convert to fraction form
    27,620.20/38,115.86 = 15,044.95/x
  3. Step 3: Cross multiply
    27,620.20x = 38,115.86 × 15,044.95
  4. Step 4: Simplify right side
    27,620.20x = 573,450,942.10
  5. Step 5: Solve for x
    x = 573,450,942.10/27,620.20
  6. Step 6: Final answer
    x = 20,762.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.