Home / 26,859.41-40,286.04-7,139.49

Finding the Fourth Proportional to 26,859.41, 40,286.04 and 7,139.49

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Solution

The fourth proportional to 26,859.41, 40,286.04 and 7,139.49 is: 10,708.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,859.41 : 40,286.04 = 7,139.49 : x
  2. Step 2: Convert to fraction form
    26,859.41/40,286.04 = 7,139.49/x
  3. Step 3: Cross multiply
    26,859.41x = 40,286.04 × 7,139.49
  4. Step 4: Simplify right side
    26,859.41x = 287,621,779.72
  5. Step 5: Solve for x
    x = 287,621,779.72/26,859.41
  6. Step 6: Final answer
    x = 10,708.42

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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.