Home / 27,090.14-40,620.11-8,364.86

Finding the Fourth Proportional to 27,090.14, 40,620.11 and 8,364.86

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Solution

The fourth proportional to 27,090.14, 40,620.11 and 8,364.86 is: 12,542.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,090.14 : 40,620.11 = 8,364.86 : x
  2. Step 2: Convert to fraction form
    27,090.14/40,620.11 = 8,364.86/x
  3. Step 3: Cross multiply
    27,090.14x = 40,620.11 × 8,364.86
  4. Step 4: Simplify right side
    27,090.14x = 339,781,288.41
  5. Step 5: Solve for x
    x = 339,781,288.41/27,090.14
  6. Step 6: Final answer
    x = 12,542.62

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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.