Home / 23,896.60-35,801.70-21,131.80

Finding the Fourth Proportional to 23,896.60, 35,801.70 and 21,131.80

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Solution

The fourth proportional to 23,896.60, 35,801.70 and 21,131.80 is: 31,659.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,896.60 : 35,801.70 = 21,131.80 : x
  2. Step 2: Convert to fraction form
    23,896.60/35,801.70 = 21,131.80/x
  3. Step 3: Cross multiply
    23,896.60x = 35,801.70 × 21,131.80
  4. Step 4: Simplify right side
    23,896.60x = 756,554,364.06
  5. Step 5: Solve for x
    x = 756,554,364.06/23,896.60
  6. Step 6: Final answer
    x = 31,659.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.