Home / 26,782.62-40,179.56-10,142.29

Finding the Fourth Proportional to 26,782.62, 40,179.56 and 10,142.29

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Solution

The fourth proportional to 26,782.62, 40,179.56 and 10,142.29 is: 15,215.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,782.62 : 40,179.56 = 10,142.29 : x
  2. Step 2: Convert to fraction form
    26,782.62/40,179.56 = 10,142.29/x
  3. Step 3: Cross multiply
    26,782.62x = 40,179.56 × 10,142.29
  4. Step 4: Simplify right side
    26,782.62x = 407,512,749.59
  5. Step 5: Solve for x
    x = 407,512,749.59/26,782.62
  6. Step 6: Final answer
    x = 15,215.57

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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.