Home / 19,043.84-28,571.62-8,522.72

Finding the Fourth Proportional to 19,043.84, 28,571.62 and 8,522.72

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Solution

The fourth proportional to 19,043.84, 28,571.62 and 8,522.72 is: 12,786.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,043.84 : 28,571.62 = 8,522.72 : x
  2. Step 2: Convert to fraction form
    19,043.84/28,571.62 = 8,522.72/x
  3. Step 3: Cross multiply
    19,043.84x = 28,571.62 × 8,522.72
  4. Step 4: Simplify right side
    19,043.84x = 243,507,917.21
  5. Step 5: Solve for x
    x = 243,507,917.21/19,043.84
  6. Step 6: Final answer
    x = 12,786.70

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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.