Home / 23,109.56-31,890.44-13,037.84

Finding the Fourth Proportional to 23,109.56, 31,890.44 and 13,037.84

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Solution

The fourth proportional to 23,109.56, 31,890.44 and 13,037.84 is: 17,991.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,109.56 : 31,890.44 = 13,037.84 : x
  2. Step 2: Convert to fraction form
    23,109.56/31,890.44 = 13,037.84/x
  3. Step 3: Cross multiply
    23,109.56x = 31,890.44 × 13,037.84
  4. Step 4: Simplify right side
    23,109.56x = 415,782,454.25
  5. Step 5: Solve for x
    x = 415,782,454.25/23,109.56
  6. Step 6: Final answer
    x = 17,991.79

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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.