Home / 26,031.04-39,049.18-7,311.12

Finding the Fourth Proportional to 26,031.04, 39,049.18 and 7,311.12

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Solution

The fourth proportional to 26,031.04, 39,049.18 and 7,311.12 is: 10,967.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,031.04 : 39,049.18 = 7,311.12 : x
  2. Step 2: Convert to fraction form
    26,031.04/39,049.18 = 7,311.12/x
  3. Step 3: Cross multiply
    26,031.04x = 39,049.18 × 7,311.12
  4. Step 4: Simplify right side
    26,031.04x = 285,493,240.88
  5. Step 5: Solve for x
    x = 285,493,240.88/26,031.04
  6. Step 6: Final answer
    x = 10,967.42

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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.