Home / 36,820.86-55,231.29-28,105.26

Finding the Fourth Proportional to 36,820.86, 55,231.29 and 28,105.26

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Solution

The fourth proportional to 36,820.86, 55,231.29 and 28,105.26 is: 42,157.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,820.86 : 55,231.29 = 28,105.26 : x
  2. Step 2: Convert to fraction form
    36,820.86/55,231.29 = 28,105.26/x
  3. Step 3: Cross multiply
    36,820.86x = 55,231.29 × 28,105.26
  4. Step 4: Simplify right side
    36,820.86x = 1,552,289,765.59
  5. Step 5: Solve for x
    x = 1,552,289,765.59/36,820.86
  6. Step 6: Final answer
    x = 42,157.89

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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.