Home / 27,016.21-40,520.13-10,384.03

Finding the Fourth Proportional to 27,016.21, 40,520.13 and 10,384.03

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Solution

The fourth proportional to 27,016.21, 40,520.13 and 10,384.03 is: 15,574.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,016.21 : 40,520.13 = 10,384.03 : x
  2. Step 2: Convert to fraction form
    27,016.21/40,520.13 = 10,384.03/x
  3. Step 3: Cross multiply
    27,016.21x = 40,520.13 × 10,384.03
  4. Step 4: Simplify right side
    27,016.21x = 420,762,245.52
  5. Step 5: Solve for x
    x = 420,762,245.52/27,016.21
  6. Step 6: Final answer
    x = 15,574.44

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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.