Home / 21,883.96-32,769.24-15,936.40

Finding the Fourth Proportional to 21,883.96, 32,769.24 and 15,936.40

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Solution

The fourth proportional to 21,883.96, 32,769.24 and 15,936.40 is: 23,863.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,883.96 : 32,769.24 = 15,936.40 : x
  2. Step 2: Convert to fraction form
    21,883.96/32,769.24 = 15,936.40/x
  3. Step 3: Cross multiply
    21,883.96x = 32,769.24 × 15,936.40
  4. Step 4: Simplify right side
    21,883.96x = 522,223,716.34
  5. Step 5: Solve for x
    x = 522,223,716.34/21,883.96
  6. Step 6: Final answer
    x = 23,863.31

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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.