Home / 22,690.89-34,039.97-7,904.01

Finding the Fourth Proportional to 22,690.89, 34,039.97 and 7,904.01

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Solution

The fourth proportional to 22,690.89, 34,039.97 and 7,904.01 is: 11,857.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,690.89 : 34,039.97 = 7,904.01 : x
  2. Step 2: Convert to fraction form
    22,690.89/34,039.97 = 7,904.01/x
  3. Step 3: Cross multiply
    22,690.89x = 34,039.97 × 7,904.01
  4. Step 4: Simplify right side
    22,690.89x = 269,052,263.28
  5. Step 5: Solve for x
    x = 269,052,263.28/22,690.89
  6. Step 6: Final answer
    x = 11,857.28

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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.