Home / 26,939.45-40,367.26-10,290.40

Finding the Fourth Proportional to 26,939.45, 40,367.26 and 10,290.40

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Solution

The fourth proportional to 26,939.45, 40,367.26 and 10,290.40 is: 15,419.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,939.45 : 40,367.26 = 10,290.40 : x
  2. Step 2: Convert to fraction form
    26,939.45/40,367.26 = 10,290.40/x
  3. Step 3: Cross multiply
    26,939.45x = 40,367.26 × 10,290.40
  4. Step 4: Simplify right side
    26,939.45x = 415,395,252.30
  5. Step 5: Solve for x
    x = 415,395,252.30/26,939.45
  6. Step 6: Final answer
    x = 15,419.59

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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.