Home / 21,943.80-32,914.96-8,792.64

Finding the Fourth Proportional to 21,943.80, 32,914.96 and 8,792.64

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Solution

The fourth proportional to 21,943.80, 32,914.96 and 8,792.64 is: 13,188.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,943.80 : 32,914.96 = 8,792.64 : x
  2. Step 2: Convert to fraction form
    21,943.80/32,914.96 = 8,792.64/x
  3. Step 3: Cross multiply
    21,943.80x = 32,914.96 × 8,792.64
  4. Step 4: Simplify right side
    21,943.80x = 289,409,393.89
  5. Step 5: Solve for x
    x = 289,409,393.89/21,943.80
  6. Step 6: Final answer
    x = 13,188.66

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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.