Home / 26,845.70-40,284.38-10,219.72

Finding the Fourth Proportional to 26,845.70, 40,284.38 and 10,219.72

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Solution

The fourth proportional to 26,845.70, 40,284.38 and 10,219.72 is: 15,335.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,845.70 : 40,284.38 = 10,219.72 : x
  2. Step 2: Convert to fraction form
    26,845.70/40,284.38 = 10,219.72/x
  3. Step 3: Cross multiply
    26,845.70x = 40,284.38 × 10,219.72
  4. Step 4: Simplify right side
    26,845.70x = 411,695,083.97
  5. Step 5: Solve for x
    x = 411,695,083.97/26,845.70
  6. Step 6: Final answer
    x = 15,335.61

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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.