Home / 26,917.83-40,378.23-10,279.22

Finding the Fourth Proportional to 26,917.83, 40,378.23 and 10,279.22

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Solution

The fourth proportional to 26,917.83, 40,378.23 and 10,279.22 is: 15,419.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,917.83 : 40,378.23 = 10,279.22 : x
  2. Step 2: Convert to fraction form
    26,917.83/40,378.23 = 10,279.22/x
  3. Step 3: Cross multiply
    26,917.83x = 40,378.23 × 10,279.22
  4. Step 4: Simplify right side
    26,917.83x = 415,056,507.49
  5. Step 5: Solve for x
    x = 415,056,507.49/26,917.83
  6. Step 6: Final answer
    x = 15,419.39

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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.