Home / 26,878.41-40,325.78-10,859.73

Finding the Fourth Proportional to 26,878.41, 40,325.78 and 10,859.73

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Solution

The fourth proportional to 26,878.41, 40,325.78 and 10,859.73 is: 16,292.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,878.41 : 40,325.78 = 10,859.73 : x
  2. Step 2: Convert to fraction form
    26,878.41/40,325.78 = 10,859.73/x
  3. Step 3: Cross multiply
    26,878.41x = 40,325.78 × 10,859.73
  4. Step 4: Simplify right side
    26,878.41x = 437,927,028.54
  5. Step 5: Solve for x
    x = 437,927,028.54/26,878.41
  6. Step 6: Final answer
    x = 16,292.89

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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.