Home / 29,726.20-41,020.50-16,978.60

Finding the Fourth Proportional to 29,726.20, 41,020.50 and 16,978.60

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Solution

The fourth proportional to 29,726.20, 41,020.50 and 16,978.60 is: 23,429.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,726.20 : 41,020.50 = 16,978.60 : x
  2. Step 2: Convert to fraction form
    29,726.20/41,020.50 = 16,978.60/x
  3. Step 3: Cross multiply
    29,726.20x = 41,020.50 × 16,978.60
  4. Step 4: Simplify right side
    29,726.20x = 696,470,661.30
  5. Step 5: Solve for x
    x = 696,470,661.30/29,726.20
  6. Step 6: Final answer
    x = 23,429.52

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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.