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Finding the Fourth Proportional to 28,250.46, 39,000.15 and 19,904.22

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Solution

The fourth proportional to 28,250.46, 39,000.15 and 19,904.22 is: 27,478.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,250.46 : 39,000.15 = 19,904.22 : x
  2. Step 2: Convert to fraction form
    28,250.46/39,000.15 = 19,904.22/x
  3. Step 3: Cross multiply
    28,250.46x = 39,000.15 × 19,904.22
  4. Step 4: Simplify right side
    28,250.46x = 776,267,565.63
  5. Step 5: Solve for x
    x = 776,267,565.63/28,250.46
  6. Step 6: Final answer
    x = 27,478.05

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