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Finding the Fourth Proportional to 25,133.61, 34,700.62 and 15,583.65

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Solution

The fourth proportional to 25,133.61, 34,700.62 and 15,583.65 is: 21,515.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,133.61 : 34,700.62 = 15,583.65 : x
  2. Step 2: Convert to fraction form
    25,133.61/34,700.62 = 15,583.65/x
  3. Step 3: Cross multiply
    25,133.61x = 34,700.62 × 15,583.65
  4. Step 4: Simplify right side
    25,133.61x = 540,762,316.86
  5. Step 5: Solve for x
    x = 540,762,316.86/25,133.61
  6. Step 6: Final answer
    x = 21,515.51

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