Home / 26,157.92-39,212.32-15,630.88

Finding the Fourth Proportional to 26,157.92, 39,212.32 and 15,630.88

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Solution

The fourth proportional to 26,157.92, 39,212.32 and 15,630.88 is: 23,431.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,157.92 : 39,212.32 = 15,630.88 : x
  2. Step 2: Convert to fraction form
    26,157.92/39,212.32 = 15,630.88/x
  3. Step 3: Cross multiply
    26,157.92x = 39,212.32 × 15,630.88
  4. Step 4: Simplify right side
    26,157.92x = 612,923,068.44
  5. Step 5: Solve for x
    x = 612,923,068.44/26,157.92
  6. Step 6: Final answer
    x = 23,431.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.