Home / 26,919.12-40,375.62-7,199.40

Finding the Fourth Proportional to 26,919.12, 40,375.62 and 7,199.40

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Solution

The fourth proportional to 26,919.12, 40,375.62 and 7,199.40 is: 10,798.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,919.12 : 40,375.62 = 7,199.40 : x
  2. Step 2: Convert to fraction form
    26,919.12/40,375.62 = 7,199.40/x
  3. Step 3: Cross multiply
    26,919.12x = 40,375.62 × 7,199.40
  4. Step 4: Simplify right side
    26,919.12x = 290,680,238.63
  5. Step 5: Solve for x
    x = 290,680,238.63/26,919.12
  6. Step 6: Final answer
    x = 10,798.28

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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.