Home / 23,039.85-31,796.03-12,971.75

Finding the Fourth Proportional to 23,039.85, 31,796.03 and 12,971.75

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Solution

The fourth proportional to 23,039.85, 31,796.03 and 12,971.75 is: 17,901.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,039.85 : 31,796.03 = 12,971.75 : x
  2. Step 2: Convert to fraction form
    23,039.85/31,796.03 = 12,971.75/x
  3. Step 3: Cross multiply
    23,039.85x = 31,796.03 × 12,971.75
  4. Step 4: Simplify right side
    23,039.85x = 412,450,264.07
  5. Step 5: Solve for x
    x = 412,450,264.07/23,039.85
  6. Step 6: Final answer
    x = 17,901.60

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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.