Home / 36,021.39-53,986.64-18,256.52

Finding the Fourth Proportional to 36,021.39, 53,986.64 and 18,256.52

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Solution

The fourth proportional to 36,021.39, 53,986.64 and 18,256.52 is: 27,361.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,021.39 : 53,986.64 = 18,256.52 : x
  2. Step 2: Convert to fraction form
    36,021.39/53,986.64 = 18,256.52/x
  3. Step 3: Cross multiply
    36,021.39x = 53,986.64 × 18,256.52
  4. Step 4: Simplify right side
    36,021.39x = 985,607,811.68
  5. Step 5: Solve for x
    x = 985,607,811.68/36,021.39
  6. Step 6: Final answer
    x = 27,361.74

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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.