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Finding the Fourth Proportional to 25,673.72, 38,520.12 and 15,698.91

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Solution

The fourth proportional to 25,673.72, 38,520.12 and 15,698.91 is: 23,554.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,673.72 : 38,520.12 = 15,698.91 : x
  2. Step 2: Convert to fraction form
    25,673.72/38,520.12 = 15,698.91/x
  3. Step 3: Cross multiply
    25,673.72x = 38,520.12 × 15,698.91
  4. Step 4: Simplify right side
    25,673.72x = 604,723,897.07
  5. Step 5: Solve for x
    x = 604,723,897.07/25,673.72
  6. Step 6: Final answer
    x = 23,554.20

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