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Finding the Fourth Proportional to 25,570.35, 38,411.42 and 18,222.03

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Solution

The fourth proportional to 25,570.35, 38,411.42 and 18,222.03 is: 27,372.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,570.35 : 38,411.42 = 18,222.03 : x
  2. Step 2: Convert to fraction form
    25,570.35/38,411.42 = 18,222.03/x
  3. Step 3: Cross multiply
    25,570.35x = 38,411.42 × 18,222.03
  4. Step 4: Simplify right side
    25,570.35x = 699,933,956.47
  5. Step 5: Solve for x
    x = 699,933,956.47/25,570.35
  6. Step 6: Final answer
    x = 27,372.87

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