Home / 26,688.97-40,028.90-8,917.62

Finding the Fourth Proportional to 26,688.97, 40,028.90 and 8,917.62

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Solution

The fourth proportional to 26,688.97, 40,028.90 and 8,917.62 is: 13,374.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,688.97 : 40,028.90 = 8,917.62 : x
  2. Step 2: Convert to fraction form
    26,688.97/40,028.90 = 8,917.62/x
  3. Step 3: Cross multiply
    26,688.97x = 40,028.90 × 8,917.62
  4. Step 4: Simplify right side
    26,688.97x = 356,962,519.22
  5. Step 5: Solve for x
    x = 356,962,519.22/26,688.97
  6. Step 6: Final answer
    x = 13,374.91

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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.