Home / 28,404.36-39,198.07-16,474.64

Finding the Fourth Proportional to 28,404.36, 39,198.07 and 16,474.64

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Solution

The fourth proportional to 28,404.36, 39,198.07 and 16,474.64 is: 22,735.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,404.36 : 39,198.07 = 16,474.64 : x
  2. Step 2: Convert to fraction form
    28,404.36/39,198.07 = 16,474.64/x
  3. Step 3: Cross multiply
    28,404.36x = 39,198.07 × 16,474.64
  4. Step 4: Simplify right side
    28,404.36x = 645,774,091.94
  5. Step 5: Solve for x
    x = 645,774,091.94/28,404.36
  6. Step 6: Final answer
    x = 22,735.03

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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.