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Finding the Fourth Proportional to 24,510.40, 36,808.80 and 18,977.20

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Solution

The fourth proportional to 24,510.40, 36,808.80 and 18,977.20 is: 28,499.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,510.40 : 36,808.80 = 18,977.20 : x
  2. Step 2: Convert to fraction form
    24,510.40/36,808.80 = 18,977.20/x
  3. Step 3: Cross multiply
    24,510.40x = 36,808.80 × 18,977.20
  4. Step 4: Simplify right side
    24,510.40x = 698,527,959.36
  5. Step 5: Solve for x
    x = 698,527,959.36/24,510.40
  6. Step 6: Final answer
    x = 28,499.25

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