Home / 28,852.62-39,823.25-16,919.80

Finding the Fourth Proportional to 28,852.62, 39,823.25 and 16,919.80

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Solution

The fourth proportional to 28,852.62, 39,823.25 and 16,919.80 is: 23,353.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,852.62 : 39,823.25 = 16,919.80 : x
  2. Step 2: Convert to fraction form
    28,852.62/39,823.25 = 16,919.80/x
  3. Step 3: Cross multiply
    28,852.62x = 39,823.25 × 16,919.80
  4. Step 4: Simplify right side
    28,852.62x = 673,801,425.35
  5. Step 5: Solve for x
    x = 673,801,425.35/28,852.62
  6. Step 6: Final answer
    x = 23,353.21

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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.