Home / 17,910.20-26,855.64-13,739.91

Finding the Fourth Proportional to 17,910.20, 26,855.64 and 13,739.91

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Solution

The fourth proportional to 17,910.20, 26,855.64 and 13,739.91 is: 20,602.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,910.20 : 26,855.64 = 13,739.91 : x
  2. Step 2: Convert to fraction form
    17,910.20/26,855.64 = 13,739.91/x
  3. Step 3: Cross multiply
    17,910.20x = 26,855.64 × 13,739.91
  4. Step 4: Simplify right side
    17,910.20x = 368,994,076.59
  5. Step 5: Solve for x
    x = 368,994,076.59/17,910.20
  6. Step 6: Final answer
    x = 20,602.46

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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.