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Finding the Fourth Proportional to 35,396.85, 53,128.10 and 17,878.98

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Solution

The fourth proportional to 35,396.85, 53,128.10 and 17,878.98 is: 26,835.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,396.85 : 53,128.10 = 17,878.98 : x
  2. Step 2: Convert to fraction form
    35,396.85/53,128.10 = 17,878.98/x
  3. Step 3: Cross multiply
    35,396.85x = 53,128.10 × 17,878.98
  4. Step 4: Simplify right side
    35,396.85x = 949,876,237.34
  5. Step 5: Solve for x
    x = 949,876,237.34/35,396.85
  6. Step 6: Final answer
    x = 26,835.05

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