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Finding the Fourth Proportional to 18,881.52, 28,322.33 and 5,733.99

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Solution

The fourth proportional to 18,881.52, 28,322.33 and 5,733.99 is: 8,601.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,881.52 : 28,322.33 = 5,733.99 : x
  2. Step 2: Convert to fraction form
    18,881.52/28,322.33 = 5,733.99/x
  3. Step 3: Cross multiply
    18,881.52x = 28,322.33 × 5,733.99
  4. Step 4: Simplify right side
    18,881.52x = 162,399,928.33
  5. Step 5: Solve for x
    x = 162,399,928.33/18,881.52
  6. Step 6: Final answer
    x = 8,601.00

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Why These Related Problems?

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