Home / 26,759.56-40,140.78-11,161.48

Finding the Fourth Proportional to 26,759.56, 40,140.78 and 11,161.48

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Solution

The fourth proportional to 26,759.56, 40,140.78 and 11,161.48 is: 16,742.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,759.56 : 40,140.78 = 11,161.48 : x
  2. Step 2: Convert to fraction form
    26,759.56/40,140.78 = 11,161.48/x
  3. Step 3: Cross multiply
    26,759.56x = 40,140.78 × 11,161.48
  4. Step 4: Simplify right side
    26,759.56x = 448,030,513.15
  5. Step 5: Solve for x
    x = 448,030,513.15/26,759.56
  6. Step 6: Final answer
    x = 16,742.82

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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.