Home / 19,963.20-29,907.36-16,697.28

Finding the Fourth Proportional to 19,963.20, 29,907.36 and 16,697.28

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Solution

The fourth proportional to 19,963.20, 29,907.36 and 16,697.28 is: 25,014.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,963.20 : 29,907.36 = 16,697.28 : x
  2. Step 2: Convert to fraction form
    19,963.20/29,907.36 = 16,697.28/x
  3. Step 3: Cross multiply
    19,963.20x = 29,907.36 × 16,697.28
  4. Step 4: Simplify right side
    19,963.20x = 499,371,563.98
  5. Step 5: Solve for x
    x = 499,371,563.98/19,963.20
  6. Step 6: Final answer
    x = 25,014.61

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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.