Home / 26,820.39-40,199.63-19,694.55

Finding the Fourth Proportional to 26,820.39, 40,199.63 and 19,694.55

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Solution

The fourth proportional to 26,820.39, 40,199.63 and 19,694.55 is: 29,519.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,820.39 : 40,199.63 = 19,694.55 : x
  2. Step 2: Convert to fraction form
    26,820.39/40,199.63 = 19,694.55/x
  3. Step 3: Cross multiply
    26,820.39x = 40,199.63 × 19,694.55
  4. Step 4: Simplify right side
    26,820.39x = 791,713,524.54
  5. Step 5: Solve for x
    x = 791,713,524.54/26,820.39
  6. Step 6: Final answer
    x = 29,519.09

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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.