Home / 19,072.64-28,608.96-15,558.86

Finding the Fourth Proportional to 19,072.64, 28,608.96 and 15,558.86

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Solution

The fourth proportional to 19,072.64, 28,608.96 and 15,558.86 is: 23,338.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,072.64 : 28,608.96 = 15,558.86 : x
  2. Step 2: Convert to fraction form
    19,072.64/28,608.96 = 15,558.86/x
  3. Step 3: Cross multiply
    19,072.64x = 28,608.96 × 15,558.86
  4. Step 4: Simplify right side
    19,072.64x = 445,122,803.39
  5. Step 5: Solve for x
    x = 445,122,803.39/19,072.64
  6. Step 6: Final answer
    x = 23,338.29

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Similar ratio
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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.