Home / 23,144.85-31,939.80-13,072.77

Finding the Fourth Proportional to 23,144.85, 31,939.80 and 13,072.77

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Solution

The fourth proportional to 23,144.85, 31,939.80 and 13,072.77 is: 18,040.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,144.85 : 31,939.80 = 13,072.77 : x
  2. Step 2: Convert to fraction form
    23,144.85/31,939.80 = 13,072.77/x
  3. Step 3: Cross multiply
    23,144.85x = 31,939.80 × 13,072.77
  4. Step 4: Simplify right side
    23,144.85x = 417,541,659.25
  5. Step 5: Solve for x
    x = 417,541,659.25/23,144.85
  6. Step 6: Final answer
    x = 18,040.37

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1.5x scale

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.