Home / 23,667.54-32,680.86-21,145.20

Finding the Fourth Proportional to 23,667.54, 32,680.86 and 21,145.20

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Solution

The fourth proportional to 23,667.54, 32,680.86 and 21,145.20 is: 29,197.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,667.54 : 32,680.86 = 21,145.20 : x
  2. Step 2: Convert to fraction form
    23,667.54/32,680.86 = 21,145.20/x
  3. Step 3: Cross multiply
    23,667.54x = 32,680.86 × 21,145.20
  4. Step 4: Simplify right side
    23,667.54x = 691,043,320.87
  5. Step 5: Solve for x
    x = 691,043,320.87/23,667.54
  6. Step 6: Final answer
    x = 29,197.94

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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.