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Finding the Fourth Proportional to 18,254.02, 27,427.16 and 17,515.92

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Solution

The fourth proportional to 18,254.02, 27,427.16 and 17,515.92 is: 26,318.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,254.02 : 27,427.16 = 17,515.92 : x
  2. Step 2: Convert to fraction form
    18,254.02/27,427.16 = 17,515.92/x
  3. Step 3: Cross multiply
    18,254.02x = 27,427.16 × 17,515.92
  4. Step 4: Simplify right side
    18,254.02x = 480,411,940.39
  5. Step 5: Solve for x
    x = 480,411,940.39/18,254.02
  6. Step 6: Final answer
    x = 26,318.14

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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.