Home / 26,679.20-39,990.99-10,027.76

Finding the Fourth Proportional to 26,679.20, 39,990.99 and 10,027.76

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Solution

The fourth proportional to 26,679.20, 39,990.99 and 10,027.76 is: 15,031.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,679.20 : 39,990.99 = 10,027.76 : x
  2. Step 2: Convert to fraction form
    26,679.20/39,990.99 = 10,027.76/x
  3. Step 3: Cross multiply
    26,679.20x = 39,990.99 × 10,027.76
  4. Step 4: Simplify right side
    26,679.20x = 401,020,049.88
  5. Step 5: Solve for x
    x = 401,020,049.88/26,679.20
  6. Step 6: Final answer
    x = 15,031.19

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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.