Home / 28,874.35-39,847.26-16,946.29

Finding the Fourth Proportional to 28,874.35, 39,847.26 and 16,946.29

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Solution

The fourth proportional to 28,874.35, 39,847.26 and 16,946.29 is: 23,386.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,874.35 : 39,847.26 = 16,946.29 : x
  2. Step 2: Convert to fraction form
    28,874.35/39,847.26 = 16,946.29/x
  3. Step 3: Cross multiply
    28,874.35x = 39,847.26 × 16,946.29
  4. Step 4: Simplify right side
    28,874.35x = 675,263,241.70
  5. Step 5: Solve for x
    x = 675,263,241.70/28,874.35
  6. Step 6: Final answer
    x = 23,386.27

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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.