Home / 27,086.49-40,645.85-12,295.22

Finding the Fourth Proportional to 27,086.49, 40,645.85 and 12,295.22

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Solution

The fourth proportional to 27,086.49, 40,645.85 and 12,295.22 is: 18,450.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,086.49 : 40,645.85 = 12,295.22 : x
  2. Step 2: Convert to fraction form
    27,086.49/40,645.85 = 12,295.22/x
  3. Step 3: Cross multiply
    27,086.49x = 40,645.85 × 12,295.22
  4. Step 4: Simplify right side
    27,086.49x = 499,749,403.13
  5. Step 5: Solve for x
    x = 499,749,403.13/27,086.49
  6. Step 6: Final answer
    x = 18,450.14

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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.