Home / 28,404.72-39,198.51-16,474.95

Finding the Fourth Proportional to 28,404.72, 39,198.51 and 16,474.95

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Solution

The fourth proportional to 28,404.72, 39,198.51 and 16,474.95 is: 22,735.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,404.72 : 39,198.51 = 16,474.95 : x
  2. Step 2: Convert to fraction form
    28,404.72/39,198.51 = 16,474.95/x
  3. Step 3: Cross multiply
    28,404.72x = 39,198.51 × 16,474.95
  4. Step 4: Simplify right side
    28,404.72x = 645,793,492.32
  5. Step 5: Solve for x
    x = 645,793,492.32/28,404.72
  6. Step 6: Final answer
    x = 22,735.43

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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.