Home / 28,404.74-39,198.69-16,475.15

Finding the Fourth Proportional to 28,404.74, 39,198.69 and 16,475.15

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Solution

The fourth proportional to 28,404.74, 39,198.69 and 16,475.15 is: 22,735.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,404.74 : 39,198.69 = 16,475.15 : x
  2. Step 2: Convert to fraction form
    28,404.74/39,198.69 = 16,475.15/x
  3. Step 3: Cross multiply
    28,404.74x = 39,198.69 × 16,475.15
  4. Step 4: Simplify right side
    28,404.74x = 645,804,101.56
  5. Step 5: Solve for x
    x = 645,804,101.56/28,404.74
  6. Step 6: Final answer
    x = 22,735.79

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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.