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Finding the Fourth Proportional to 16,000.80, 23,972.40 and 13,063.20

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Solution

The fourth proportional to 16,000.80, 23,972.40 and 13,063.20 is: 19,571.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,000.80 : 23,972.40 = 13,063.20 : x
  2. Step 2: Convert to fraction form
    16,000.80/23,972.40 = 13,063.20/x
  3. Step 3: Cross multiply
    16,000.80x = 23,972.40 × 13,063.20
  4. Step 4: Simplify right side
    16,000.80x = 313,156,255.68
  5. Step 5: Solve for x
    x = 313,156,255.68/16,000.80
  6. Step 6: Final answer
    x = 19,571.29

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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.