Home / 26,799.39-40,145.31-12,772.98

Finding the Fourth Proportional to 26,799.39, 40,145.31 and 12,772.98

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Solution

The fourth proportional to 26,799.39, 40,145.31 and 12,772.98 is: 19,133.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,799.39 : 40,145.31 = 12,772.98 : x
  2. Step 2: Convert to fraction form
    26,799.39/40,145.31 = 12,772.98/x
  3. Step 3: Cross multiply
    26,799.39x = 40,145.31 × 12,772.98
  4. Step 4: Simplify right side
    26,799.39x = 512,775,241.72
  5. Step 5: Solve for x
    x = 512,775,241.72/26,799.39
  6. Step 6: Final answer
    x = 19,133.84

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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.