Home / 19,004.68-28,517.82-12,767.68

Finding the Fourth Proportional to 19,004.68, 28,517.82 and 12,767.68

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Solution

The fourth proportional to 19,004.68, 28,517.82 and 12,767.68 is: 19,158.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,004.68 : 28,517.82 = 12,767.68 : x
  2. Step 2: Convert to fraction form
    19,004.68/28,517.82 = 12,767.68/x
  3. Step 3: Cross multiply
    19,004.68x = 28,517.82 × 12,767.68
  4. Step 4: Simplify right side
    19,004.68x = 364,106,400.06
  5. Step 5: Solve for x
    x = 364,106,400.06/19,004.68
  6. Step 6: Final answer
    x = 19,158.78

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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.