Home / 23,640.57-35,416.58-21,206.25

Finding the Fourth Proportional to 23,640.57, 35,416.58 and 21,206.25

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Solution

The fourth proportional to 23,640.57, 35,416.58 and 21,206.25 is: 31,769.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,640.57 : 35,416.58 = 21,206.25 : x
  2. Step 2: Convert to fraction form
    23,640.57/35,416.58 = 21,206.25/x
  3. Step 3: Cross multiply
    23,640.57x = 35,416.58 × 21,206.25
  4. Step 4: Simplify right side
    23,640.57x = 751,052,743.59
  5. Step 5: Solve for x
    x = 751,052,743.59/23,640.57
  6. Step 6: Final answer
    x = 31,769.65

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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.