Home / 21,424.49-32,144.43-9,577.26

Finding the Fourth Proportional to 21,424.49, 32,144.43 and 9,577.26

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Solution

The fourth proportional to 21,424.49, 32,144.43 and 9,577.26 is: 14,369.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,424.49 : 32,144.43 = 9,577.26 : x
  2. Step 2: Convert to fraction form
    21,424.49/32,144.43 = 9,577.26/x
  3. Step 3: Cross multiply
    21,424.49x = 32,144.43 × 9,577.26
  4. Step 4: Simplify right side
    21,424.49x = 307,855,563.66
  5. Step 5: Solve for x
    x = 307,855,563.66/21,424.49
  6. Step 6: Final answer
    x = 14,369.33

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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.