Home / 27,280.25-40,920.42-7,558.86

Finding the Fourth Proportional to 27,280.25, 40,920.42 and 7,558.86

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Solution

The fourth proportional to 27,280.25, 40,920.42 and 7,558.86 is: 11,338.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,280.25 : 40,920.42 = 7,558.86 : x
  2. Step 2: Convert to fraction form
    27,280.25/40,920.42 = 7,558.86/x
  3. Step 3: Cross multiply
    27,280.25x = 40,920.42 × 7,558.86
  4. Step 4: Simplify right side
    27,280.25x = 309,311,725.92
  5. Step 5: Solve for x
    x = 309,311,725.92/27,280.25
  6. Step 6: Final answer
    x = 11,338.30

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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.