Home / 21,089.23-31,623.41-7,044.44

Finding the Fourth Proportional to 21,089.23, 31,623.41 and 7,044.44

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Solution

The fourth proportional to 21,089.23, 31,623.41 and 7,044.44 is: 10,563.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,089.23 : 31,623.41 = 7,044.44 : x
  2. Step 2: Convert to fraction form
    21,089.23/31,623.41 = 7,044.44/x
  3. Step 3: Cross multiply
    21,089.23x = 31,623.41 × 7,044.44
  4. Step 4: Simplify right side
    21,089.23x = 222,769,073.83
  5. Step 5: Solve for x
    x = 222,769,073.83/21,089.23
  6. Step 6: Final answer
    x = 10,563.17

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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.