Home / 21,293.01-31,961.32-17,583.41

Finding the Fourth Proportional to 21,293.01, 31,961.32 and 17,583.41

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Solution

The fourth proportional to 21,293.01, 31,961.32 and 17,583.41 is: 26,393.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,293.01 : 31,961.32 = 17,583.41 : x
  2. Step 2: Convert to fraction form
    21,293.01/31,961.32 = 17,583.41/x
  3. Step 3: Cross multiply
    21,293.01x = 31,961.32 × 17,583.41
  4. Step 4: Simplify right side
    21,293.01x = 561,989,029.65
  5. Step 5: Solve for x
    x = 561,989,029.65/21,293.01
  6. Step 6: Final answer
    x = 26,393.12

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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.