Home / 26,081.04-39,102.12-15,690.36

Finding the Fourth Proportional to 26,081.04, 39,102.12 and 15,690.36

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Solution

The fourth proportional to 26,081.04, 39,102.12 and 15,690.36 is: 23,523.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,081.04 : 39,102.12 = 15,690.36 : x
  2. Step 2: Convert to fraction form
    26,081.04/39,102.12 = 15,690.36/x
  3. Step 3: Cross multiply
    26,081.04x = 39,102.12 × 15,690.36
  4. Step 4: Simplify right side
    26,081.04x = 613,526,339.56
  5. Step 5: Solve for x
    x = 613,526,339.56/26,081.04
  6. Step 6: Final answer
    x = 23,523.84

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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.