Home / 25,961.74-38,943.90-12,646.96

Finding the Fourth Proportional to 25,961.74, 38,943.90 and 12,646.96

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Solution

The fourth proportional to 25,961.74, 38,943.90 and 12,646.96 is: 18,971.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,961.74 : 38,943.90 = 12,646.96 : x
  2. Step 2: Convert to fraction form
    25,961.74/38,943.90 = 12,646.96/x
  3. Step 3: Cross multiply
    25,961.74x = 38,943.90 × 12,646.96
  4. Step 4: Simplify right side
    25,961.74x = 492,521,945.54
  5. Step 5: Solve for x
    x = 492,521,945.54/25,961.74
  6. Step 6: Final answer
    x = 18,971.07

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