Home / 26,856.34-40,290.78-8,136.52

Finding the Fourth Proportional to 26,856.34, 40,290.78 and 8,136.52

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Solution

The fourth proportional to 26,856.34, 40,290.78 and 8,136.52 is: 12,206.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,856.34 : 40,290.78 = 8,136.52 : x
  2. Step 2: Convert to fraction form
    26,856.34/40,290.78 = 8,136.52/x
  3. Step 3: Cross multiply
    26,856.34x = 40,290.78 × 8,136.52
  4. Step 4: Simplify right side
    26,856.34x = 327,826,737.29
  5. Step 5: Solve for x
    x = 327,826,737.29/26,856.34
  6. Step 6: Final answer
    x = 12,206.68

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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.