Home / 26,379.01-39,572.41-7,656.62

Finding the Fourth Proportional to 26,379.01, 39,572.41 and 7,656.62

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Solution

The fourth proportional to 26,379.01, 39,572.41 and 7,656.62 is: 11,486.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,379.01 : 39,572.41 = 7,656.62 : x
  2. Step 2: Convert to fraction form
    26,379.01/39,572.41 = 7,656.62/x
  3. Step 3: Cross multiply
    26,379.01x = 39,572.41 × 7,656.62
  4. Step 4: Simplify right side
    26,379.01x = 302,990,905.85
  5. Step 5: Solve for x
    x = 302,990,905.85/26,379.01
  6. Step 6: Final answer
    x = 11,486.06

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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.