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Finding the Fourth Proportional to 35,306.76, 48,727.64 and 20,402.76

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Solution

The fourth proportional to 35,306.76, 48,727.64 and 20,402.76 is: 28,158.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,306.76 : 48,727.64 = 20,402.76 : x
  2. Step 2: Convert to fraction form
    35,306.76/48,727.64 = 20,402.76/x
  3. Step 3: Cross multiply
    35,306.76x = 48,727.64 × 20,402.76
  4. Step 4: Simplify right side
    35,306.76x = 994,178,344.29
  5. Step 5: Solve for x
    x = 994,178,344.29/35,306.76
  6. Step 6: Final answer
    x = 28,158.30

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