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Finding the Fourth Proportional to 17,976.03, 26,953.74 and 5,492.58

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Solution

The fourth proportional to 17,976.03, 26,953.74 and 5,492.58 is: 8,235.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,976.03 : 26,953.74 = 5,492.58 : x
  2. Step 2: Convert to fraction form
    17,976.03/26,953.74 = 5,492.58/x
  3. Step 3: Cross multiply
    17,976.03x = 26,953.74 × 5,492.58
  4. Step 4: Simplify right side
    17,976.03x = 148,045,573.25
  5. Step 5: Solve for x
    x = 148,045,573.25/17,976.03
  6. Step 6: Final answer
    x = 8,235.72

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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.