Home / 26,929.83-40,376.01-11,928.81

Finding the Fourth Proportional to 26,929.83, 40,376.01 and 11,928.81

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Solution

The fourth proportional to 26,929.83, 40,376.01 and 11,928.81 is: 17,884.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,929.83 : 40,376.01 = 11,928.81 : x
  2. Step 2: Convert to fraction form
    26,929.83/40,376.01 = 11,928.81/x
  3. Step 3: Cross multiply
    26,929.83x = 40,376.01 × 11,928.81
  4. Step 4: Simplify right side
    26,929.83x = 481,637,720.88
  5. Step 5: Solve for x
    x = 481,637,720.88/26,929.83
  6. Step 6: Final answer
    x = 17,884.91

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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.