Home / 36,415.68-54,606.24-18,867.84

Finding the Fourth Proportional to 36,415.68, 54,606.24 and 18,867.84

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Solution

The fourth proportional to 36,415.68, 54,606.24 and 18,867.84 is: 28,292.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,415.68 : 54,606.24 = 18,867.84 : x
  2. Step 2: Convert to fraction form
    36,415.68/54,606.24 = 18,867.84/x
  3. Step 3: Cross multiply
    36,415.68x = 54,606.24 × 18,867.84
  4. Step 4: Simplify right side
    36,415.68x = 1,030,301,799.32
  5. Step 5: Solve for x
    x = 1,030,301,799.32/36,415.68
  6. Step 6: Final answer
    x = 28,292.81

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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.