Home / 26,778.34-40,131.04-10,129.42

Finding the Fourth Proportional to 26,778.34, 40,131.04 and 10,129.42

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Solution

The fourth proportional to 26,778.34, 40,131.04 and 10,129.42 is: 15,180.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,778.34 : 40,131.04 = 10,129.42 : x
  2. Step 2: Convert to fraction form
    26,778.34/40,131.04 = 10,129.42/x
  3. Step 3: Cross multiply
    26,778.34x = 40,131.04 × 10,129.42
  4. Step 4: Simplify right side
    26,778.34x = 406,504,159.20
  5. Step 5: Solve for x
    x = 406,504,159.20/26,778.34
  6. Step 6: Final answer
    x = 15,180.33

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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.