Home / 26,778.86-40,170.29-9,009.57

Finding the Fourth Proportional to 26,778.86, 40,170.29 and 9,009.57

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Solution

The fourth proportional to 26,778.86, 40,170.29 and 9,009.57 is: 13,515.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,778.86 : 40,170.29 = 9,009.57 : x
  2. Step 2: Convert to fraction form
    26,778.86/40,170.29 = 9,009.57/x
  3. Step 3: Cross multiply
    26,778.86x = 40,170.29 × 9,009.57
  4. Step 4: Simplify right side
    26,778.86x = 361,917,039.68
  5. Step 5: Solve for x
    x = 361,917,039.68/26,778.86
  6. Step 6: Final answer
    x = 13,515.03

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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.