Home / 20,741.90-31,094.15-14,080.64

Finding the Fourth Proportional to 20,741.90, 31,094.15 and 14,080.64

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Solution

The fourth proportional to 20,741.90, 31,094.15 and 14,080.64 is: 21,108.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,741.90 : 31,094.15 = 14,080.64 : x
  2. Step 2: Convert to fraction form
    20,741.90/31,094.15 = 14,080.64/x
  3. Step 3: Cross multiply
    20,741.90x = 31,094.15 × 14,080.64
  4. Step 4: Simplify right side
    20,741.90x = 437,825,306.38
  5. Step 5: Solve for x
    x = 437,825,306.38/20,741.90
  6. Step 6: Final answer
    x = 21,108.26

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