Home / 23,093.06-31,871.26-13,021.30

Finding the Fourth Proportional to 23,093.06, 31,871.26 and 13,021.30

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Solution

The fourth proportional to 23,093.06, 31,871.26 and 13,021.30 is: 17,971.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,093.06 : 31,871.26 = 13,021.30 : x
  2. Step 2: Convert to fraction form
    23,093.06/31,871.26 = 13,021.30/x
  3. Step 3: Cross multiply
    23,093.06x = 31,871.26 × 13,021.30
  4. Step 4: Simplify right side
    23,093.06x = 415,005,293.95
  5. Step 5: Solve for x
    x = 415,005,293.95/23,093.06
  6. Step 6: Final answer
    x = 17,971.00

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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.