Home / 21,537.57-29,717.49-12,583.35

Finding the Fourth Proportional to 21,537.57, 29,717.49 and 12,583.35

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Solution

The fourth proportional to 21,537.57, 29,717.49 and 12,583.35 is: 17,362.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,537.57 : 29,717.49 = 12,583.35 : x
  2. Step 2: Convert to fraction form
    21,537.57/29,717.49 = 12,583.35/x
  3. Step 3: Cross multiply
    21,537.57x = 29,717.49 × 12,583.35
  4. Step 4: Simplify right side
    21,537.57x = 373,945,513.54
  5. Step 5: Solve for x
    x = 373,945,513.54/21,537.57
  6. Step 6: Final answer
    x = 17,362.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.