Home / 26,678.22-40,021.91-11,886.81

Finding the Fourth Proportional to 26,678.22, 40,021.91 and 11,886.81

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Solution

The fourth proportional to 26,678.22, 40,021.91 and 11,886.81 is: 17,832.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,678.22 : 40,021.91 = 11,886.81 : x
  2. Step 2: Convert to fraction form
    26,678.22/40,021.91 = 11,886.81/x
  3. Step 3: Cross multiply
    26,678.22x = 40,021.91 × 11,886.81
  4. Step 4: Simplify right side
    26,678.22x = 475,732,840.01
  5. Step 5: Solve for x
    x = 475,732,840.01/26,678.22
  6. Step 6: Final answer
    x = 17,832.26

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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.