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Finding the Fourth Proportional to 18,803.52, 28,068 and 17,433

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Solution

The fourth proportional to 18,803.52, 28,068 and 17,433 is: 26,022.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,803.52 : 28,068 = 17,433 : x
  2. Step 2: Convert to fraction form
    18,803.52/28,068 = 17,433/x
  3. Step 3: Cross multiply
    18,803.52x = 28,068 × 17,433
  4. Step 4: Simplify right side
    18,803.52x = 489,309,444
  5. Step 5: Solve for x
    x = 489,309,444/18,803.52
  6. Step 6: Final answer
    x = 26,022.23

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.