Home / 26,989.92-40,487.58-8,269.74

Finding the Fourth Proportional to 26,989.92, 40,487.58 and 8,269.74

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Solution

The fourth proportional to 26,989.92, 40,487.58 and 8,269.74 is: 12,405.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,989.92 : 40,487.58 = 8,269.74 : x
  2. Step 2: Convert to fraction form
    26,989.92/40,487.58 = 8,269.74/x
  3. Step 3: Cross multiply
    26,989.92x = 40,487.58 × 8,269.74
  4. Step 4: Simplify right side
    26,989.92x = 334,821,759.83
  5. Step 5: Solve for x
    x = 334,821,759.83/26,989.92
  6. Step 6: Final answer
    x = 12,405.44

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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.