Home / 26,856.74-40,281.99-7,136.83

Finding the Fourth Proportional to 26,856.74, 40,281.99 and 7,136.83

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Solution

The fourth proportional to 26,856.74, 40,281.99 and 7,136.83 is: 10,704.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,856.74 : 40,281.99 = 7,136.83 : x
  2. Step 2: Convert to fraction form
    26,856.74/40,281.99 = 7,136.83/x
  3. Step 3: Cross multiply
    26,856.74x = 40,281.99 × 7,136.83
  4. Step 4: Simplify right side
    26,856.74x = 287,485,738.28
  5. Step 5: Solve for x
    x = 287,485,738.28/26,856.74
  6. Step 6: Final answer
    x = 10,704.42

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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.