Home / 28,201.39-38,929.92-19,004.96

Finding the Fourth Proportional to 28,201.39, 38,929.92 and 19,004.96

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Solution

The fourth proportional to 28,201.39, 38,929.92 and 19,004.96 is: 26,234.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,201.39 : 38,929.92 = 19,004.96 : x
  2. Step 2: Convert to fraction form
    28,201.39/38,929.92 = 19,004.96/x
  3. Step 3: Cross multiply
    28,201.39x = 38,929.92 × 19,004.96
  4. Step 4: Simplify right side
    28,201.39x = 739,861,741.00
  5. Step 5: Solve for x
    x = 739,861,741.00/28,201.39
  6. Step 6: Final answer
    x = 26,234.94

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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.