Home / 26,495.91-39,745.08-18,739.35

Finding the Fourth Proportional to 26,495.91, 39,745.08 and 18,739.35

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Solution

The fourth proportional to 26,495.91, 39,745.08 and 18,739.35 is: 28,109.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,495.91 : 39,745.08 = 18,739.35 : x
  2. Step 2: Convert to fraction form
    26,495.91/39,745.08 = 18,739.35/x
  3. Step 3: Cross multiply
    26,495.91x = 39,745.08 × 18,739.35
  4. Step 4: Simplify right side
    26,495.91x = 744,796,964.90
  5. Step 5: Solve for x
    x = 744,796,964.90/26,495.91
  6. Step 6: Final answer
    x = 28,109.88

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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.