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Finding the Fourth Proportional to 17,492.80, 26,171.16 and 16,021.84

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Solution

The fourth proportional to 17,492.80, 26,171.16 and 16,021.84 is: 23,970.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,492.80 : 26,171.16 = 16,021.84 : x
  2. Step 2: Convert to fraction form
    17,492.80/26,171.16 = 16,021.84/x
  3. Step 3: Cross multiply
    17,492.80x = 26,171.16 × 16,021.84
  4. Step 4: Simplify right side
    17,492.80x = 419,310,138.13
  5. Step 5: Solve for x
    x = 419,310,138.13/17,492.80
  6. Step 6: Final answer
    x = 23,970.44

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1.5x scale

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.