Home / 21,832.97-32,718.15-12,453.57

Finding the Fourth Proportional to 21,832.97, 32,718.15 and 12,453.57

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Solution

The fourth proportional to 21,832.97, 32,718.15 and 12,453.57 is: 18,662.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,832.97 : 32,718.15 = 12,453.57 : x
  2. Step 2: Convert to fraction form
    21,832.97/32,718.15 = 12,453.57/x
  3. Step 3: Cross multiply
    21,832.97x = 32,718.15 × 12,453.57
  4. Step 4: Simplify right side
    21,832.97x = 407,457,771.30
  5. Step 5: Solve for x
    x = 407,457,771.30/21,832.97
  6. Step 6: Final answer
    x = 18,662.50

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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.