Home / 21,198.80-29,263.56-16,475.60

Finding the Fourth Proportional to 21,198.80, 29,263.56 and 16,475.60

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Solution

The fourth proportional to 21,198.80, 29,263.56 and 16,475.60 is: 22,743.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,198.80 : 29,263.56 = 16,475.60 : x
  2. Step 2: Convert to fraction form
    21,198.80/29,263.56 = 16,475.60/x
  3. Step 3: Cross multiply
    21,198.80x = 29,263.56 × 16,475.60
  4. Step 4: Simplify right side
    21,198.80x = 482,134,709.14
  5. Step 5: Solve for x
    x = 482,134,709.14/21,198.80
  6. Step 6: Final answer
    x = 22,743.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.