Home / 19,728.60-29,544.30-14,771.40

Finding the Fourth Proportional to 19,728.60, 29,544.30 and 14,771.40

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Solution

The fourth proportional to 19,728.60, 29,544.30 and 14,771.40 is: 22,120.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,728.60 : 29,544.30 = 14,771.40 : x
  2. Step 2: Convert to fraction form
    19,728.60/29,544.30 = 14,771.40/x
  3. Step 3: Cross multiply
    19,728.60x = 29,544.30 × 14,771.40
  4. Step 4: Simplify right side
    19,728.60x = 436,410,673.02
  5. Step 5: Solve for x
    x = 436,410,673.02/19,728.60
  6. Step 6: Final answer
    x = 22,120.71

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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.