Home / 27,168.54-40,730.86-10,520.07

Finding the Fourth Proportional to 27,168.54, 40,730.86 and 10,520.07

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Solution

The fourth proportional to 27,168.54, 40,730.86 and 10,520.07 is: 15,771.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,168.54 : 40,730.86 = 10,520.07 : x
  2. Step 2: Convert to fraction form
    27,168.54/40,730.86 = 10,520.07/x
  3. Step 3: Cross multiply
    27,168.54x = 40,730.86 × 10,520.07
  4. Step 4: Simplify right side
    27,168.54x = 428,491,498.36
  5. Step 5: Solve for x
    x = 428,491,498.36/27,168.54
  6. Step 6: Final answer
    x = 15,771.61

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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.