Home / 23,149.44-31,944.57-13,589.72

Finding the Fourth Proportional to 23,149.44, 31,944.57 and 13,589.72

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Solution

The fourth proportional to 23,149.44, 31,944.57 and 13,589.72 is: 18,752.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,149.44 : 31,944.57 = 13,589.72 : x
  2. Step 2: Convert to fraction form
    23,149.44/31,944.57 = 13,589.72/x
  3. Step 3: Cross multiply
    23,149.44x = 31,944.57 × 13,589.72
  4. Step 4: Simplify right side
    23,149.44x = 434,117,534.15
  5. Step 5: Solve for x
    x = 434,117,534.15/23,149.44
  6. Step 6: Final answer
    x = 18,752.83

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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.