Home / 26,739.29-40,086.36-16,856.78

Finding the Fourth Proportional to 26,739.29, 40,086.36 and 16,856.78

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Solution

The fourth proportional to 26,739.29, 40,086.36 and 16,856.78 is: 25,270.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,739.29 : 40,086.36 = 16,856.78 : x
  2. Step 2: Convert to fraction form
    26,739.29/40,086.36 = 16,856.78/x
  3. Step 3: Cross multiply
    26,739.29x = 40,086.36 × 16,856.78
  4. Step 4: Simplify right side
    26,739.29x = 675,726,751.09
  5. Step 5: Solve for x
    x = 675,726,751.09/26,739.29
  6. Step 6: Final answer
    x = 25,270.94

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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.