Home / 26,845.59-40,260.65-8,121.23

Finding the Fourth Proportional to 26,845.59, 40,260.65 and 8,121.23

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Solution

The fourth proportional to 26,845.59, 40,260.65 and 8,121.23 is: 12,179.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,845.59 : 40,260.65 = 8,121.23 : x
  2. Step 2: Convert to fraction form
    26,845.59/40,260.65 = 8,121.23/x
  3. Step 3: Cross multiply
    26,845.59x = 40,260.65 × 8,121.23
  4. Step 4: Simplify right side
    26,845.59x = 326,965,907.67
  5. Step 5: Solve for x
    x = 326,965,907.67/26,845.59
  6. Step 6: Final answer
    x = 12,179.50

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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.