Home / 26,819.80-40,217.55-10,174.30

Finding the Fourth Proportional to 26,819.80, 40,217.55 and 10,174.30

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Solution

The fourth proportional to 26,819.80, 40,217.55 and 10,174.30 is: 15,256.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,819.80 : 40,217.55 = 10,174.30 : x
  2. Step 2: Convert to fraction form
    26,819.80/40,217.55 = 10,174.30/x
  3. Step 3: Cross multiply
    26,819.80x = 40,217.55 × 10,174.30
  4. Step 4: Simplify right side
    26,819.80x = 409,185,418.97
  5. Step 5: Solve for x
    x = 409,185,418.97/26,819.80
  6. Step 6: Final answer
    x = 15,256.84

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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.