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Finding the Fourth Proportional to 15,931.35, 23,897.93 and 4,838.40

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Solution

The fourth proportional to 15,931.35, 23,897.93 and 4,838.40 is: 7,257.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,931.35 : 23,897.93 = 4,838.40 : x
  2. Step 2: Convert to fraction form
    15,931.35/23,897.93 = 4,838.40/x
  3. Step 3: Cross multiply
    15,931.35x = 23,897.93 × 4,838.40
  4. Step 4: Simplify right side
    15,931.35x = 115,627,720.32
  5. Step 5: Solve for x
    x = 115,627,720.32/15,931.35
  6. Step 6: Final answer
    x = 7,257.87

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