Home / 26,920.44-40,372.18-10,279.80

Finding the Fourth Proportional to 26,920.44, 40,372.18 and 10,279.80

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Solution

The fourth proportional to 26,920.44, 40,372.18 and 10,279.80 is: 15,416.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,920.44 : 40,372.18 = 10,279.80 : x
  2. Step 2: Convert to fraction form
    26,920.44/40,372.18 = 10,279.80/x
  3. Step 3: Cross multiply
    26,920.44x = 40,372.18 × 10,279.80
  4. Step 4: Simplify right side
    26,920.44x = 415,017,935.96
  5. Step 5: Solve for x
    x = 415,017,935.96/26,920.44
  6. Step 6: Final answer
    x = 15,416.46

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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.