Home / 27,170.96-40,762.31-8,450.64

Finding the Fourth Proportional to 27,170.96, 40,762.31 and 8,450.64

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Solution

The fourth proportional to 27,170.96, 40,762.31 and 8,450.64 is: 12,677.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,170.96 : 40,762.31 = 8,450.64 : x
  2. Step 2: Convert to fraction form
    27,170.96/40,762.31 = 8,450.64/x
  3. Step 3: Cross multiply
    27,170.96x = 40,762.31 × 8,450.64
  4. Step 4: Simplify right side
    27,170.96x = 344,467,565.13
  5. Step 5: Solve for x
    x = 344,467,565.13/27,170.96
  6. Step 6: Final answer
    x = 12,677.79

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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.