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Finding the Fourth Proportional to 17,202.54, 25,803.26 and 4,890.54

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Solution

The fourth proportional to 17,202.54, 25,803.26 and 4,890.54 is: 7,335.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,202.54 : 25,803.26 = 4,890.54 : x
  2. Step 2: Convert to fraction form
    17,202.54/25,803.26 = 4,890.54/x
  3. Step 3: Cross multiply
    17,202.54x = 25,803.26 × 4,890.54
  4. Step 4: Simplify right side
    17,202.54x = 126,191,875.16
  5. Step 5: Solve for x
    x = 126,191,875.16/17,202.54
  6. Step 6: Final answer
    x = 7,335.65

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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.