Home / 27,170.99-40,756.62-12,369.55

Finding the Fourth Proportional to 27,170.99, 40,756.62 and 12,369.55

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Solution

The fourth proportional to 27,170.99, 40,756.62 and 12,369.55 is: 18,554.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,170.99 : 40,756.62 = 12,369.55 : x
  2. Step 2: Convert to fraction form
    27,170.99/40,756.62 = 12,369.55/x
  3. Step 3: Cross multiply
    27,170.99x = 40,756.62 × 12,369.55
  4. Step 4: Simplify right side
    27,170.99x = 504,141,048.92
  5. Step 5: Solve for x
    x = 504,141,048.92/27,170.99
  6. Step 6: Final answer
    x = 18,554.39

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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.