Home / 26,191.64-39,289.44-8,422.58

Finding the Fourth Proportional to 26,191.64, 39,289.44 and 8,422.58

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Solution

The fourth proportional to 26,191.64, 39,289.44 and 8,422.58 is: 12,634.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,191.64 : 39,289.44 = 8,422.58 : x
  2. Step 2: Convert to fraction form
    26,191.64/39,289.44 = 8,422.58/x
  3. Step 3: Cross multiply
    26,191.64x = 39,289.44 × 8,422.58
  4. Step 4: Simplify right side
    26,191.64x = 330,918,451.56
  5. Step 5: Solve for x
    x = 330,918,451.56/26,191.64
  6. Step 6: Final answer
    x = 12,634.51

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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.