Home / 26,785.20-40,168.48-10,985.68

Finding the Fourth Proportional to 26,785.20, 40,168.48 and 10,985.68

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Solution

The fourth proportional to 26,785.20, 40,168.48 and 10,985.68 is: 16,474.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,785.20 : 40,168.48 = 10,985.68 : x
  2. Step 2: Convert to fraction form
    26,785.20/40,168.48 = 10,985.68/x
  3. Step 3: Cross multiply
    26,785.20x = 40,168.48 × 10,985.68
  4. Step 4: Simplify right side
    26,785.20x = 441,278,067.37
  5. Step 5: Solve for x
    x = 441,278,067.37/26,785.20
  6. Step 6: Final answer
    x = 16,474.70

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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.