Home / 28,924.15-39,917.35-16,181.54

Finding the Fourth Proportional to 28,924.15, 39,917.35 and 16,181.54

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Solution

The fourth proportional to 28,924.15, 39,917.35 and 16,181.54 is: 22,331.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,924.15 : 39,917.35 = 16,181.54 : x
  2. Step 2: Convert to fraction form
    28,924.15/39,917.35 = 16,181.54/x
  3. Step 3: Cross multiply
    28,924.15x = 39,917.35 × 16,181.54
  4. Step 4: Simplify right side
    28,924.15x = 645,924,195.72
  5. Step 5: Solve for x
    x = 645,924,195.72/28,924.15
  6. Step 6: Final answer
    x = 22,331.66

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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.