Home / 19,821.61-29,769.45-17,450.54

Finding the Fourth Proportional to 19,821.61, 29,769.45 and 17,450.54

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Solution

The fourth proportional to 19,821.61, 29,769.45 and 17,450.54 is: 26,208.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,821.61 : 29,769.45 = 17,450.54 : x
  2. Step 2: Convert to fraction form
    19,821.61/29,769.45 = 17,450.54/x
  3. Step 3: Cross multiply
    19,821.61x = 29,769.45 × 17,450.54
  4. Step 4: Simplify right side
    19,821.61x = 519,492,978.00
  5. Step 5: Solve for x
    x = 519,492,978.00/19,821.61
  6. Step 6: Final answer
    x = 26,208.41

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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.