Home / 26,144.72-39,217.02-7,424.78

Finding the Fourth Proportional to 26,144.72, 39,217.02 and 7,424.78

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Solution

The fourth proportional to 26,144.72, 39,217.02 and 7,424.78 is: 11,137.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,144.72 : 39,217.02 = 7,424.78 : x
  2. Step 2: Convert to fraction form
    26,144.72/39,217.02 = 7,424.78/x
  3. Step 3: Cross multiply
    26,144.72x = 39,217.02 × 7,424.78
  4. Step 4: Simplify right side
    26,144.72x = 291,177,745.76
  5. Step 5: Solve for x
    x = 291,177,745.76/26,144.72
  6. Step 6: Final answer
    x = 11,137.15

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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.