Home / 21,571.94-32,351.97-13,662.59

Finding the Fourth Proportional to 21,571.94, 32,351.97 and 13,662.59

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Solution

The fourth proportional to 21,571.94, 32,351.97 and 13,662.59 is: 20,490.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,571.94 : 32,351.97 = 13,662.59 : x
  2. Step 2: Convert to fraction form
    21,571.94/32,351.97 = 13,662.59/x
  3. Step 3: Cross multiply
    21,571.94x = 32,351.97 × 13,662.59
  4. Step 4: Simplify right side
    21,571.94x = 442,011,816.84
  5. Step 5: Solve for x
    x = 442,011,816.84/21,571.94
  6. Step 6: Final answer
    x = 20,490.13

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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.