Home / 18,985.10-28,480.37-5,838.57

Finding the Fourth Proportional to 18,985.10, 28,480.37 and 5,838.57

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Solution

The fourth proportional to 18,985.10, 28,480.37 and 5,838.57 is: 8,758.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,985.10 : 28,480.37 = 5,838.57 : x
  2. Step 2: Convert to fraction form
    18,985.10/28,480.37 = 5,838.57/x
  3. Step 3: Cross multiply
    18,985.10x = 28,480.37 × 5,838.57
  4. Step 4: Simplify right side
    18,985.10x = 166,284,604.68
  5. Step 5: Solve for x
    x = 166,284,604.68/18,985.10
  6. Step 6: Final answer
    x = 8,758.69

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