Home / 26,782.38-40,179.17-10,142.03

Finding the Fourth Proportional to 26,782.38, 40,179.17 and 10,142.03

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Solution

The fourth proportional to 26,782.38, 40,179.17 and 10,142.03 is: 15,215.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,782.38 : 40,179.17 = 10,142.03 : x
  2. Step 2: Convert to fraction form
    26,782.38/40,179.17 = 10,142.03/x
  3. Step 3: Cross multiply
    26,782.38x = 40,179.17 × 10,142.03
  4. Step 4: Simplify right side
    26,782.38x = 407,498,473.32
  5. Step 5: Solve for x
    x = 407,498,473.32/26,782.38
  6. Step 6: Final answer
    x = 15,215.17

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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.