Home / 26,375.05-36,390.34-15,040.41

Finding the Fourth Proportional to 26,375.05, 36,390.34 and 15,040.41

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Solution

The fourth proportional to 26,375.05, 36,390.34 and 15,040.41 is: 20,751.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,375.05 : 36,390.34 = 15,040.41 : x
  2. Step 2: Convert to fraction form
    26,375.05/36,390.34 = 15,040.41/x
  3. Step 3: Cross multiply
    26,375.05x = 36,390.34 × 15,040.41
  4. Step 4: Simplify right side
    26,375.05x = 547,325,633.64
  5. Step 5: Solve for x
    x = 547,325,633.64/26,375.05
  6. Step 6: Final answer
    x = 20,751.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.