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Finding the Fourth Proportional to 18,483.48, 27,731.52 and 10,152.90

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Solution

The fourth proportional to 18,483.48, 27,731.52 and 10,152.90 is: 15,232.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,483.48 : 27,731.52 = 10,152.90 : x
  2. Step 2: Convert to fraction form
    18,483.48/27,731.52 = 10,152.90/x
  3. Step 3: Cross multiply
    18,483.48x = 27,731.52 × 10,152.90
  4. Step 4: Simplify right side
    18,483.48x = 281,555,349.41
  5. Step 5: Solve for x
    x = 281,555,349.41/18,483.48
  6. Step 6: Final answer
    x = 15,232.81

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.