Home / 19,021.20-28,529.64-7,333.44

Finding the Fourth Proportional to 19,021.20, 28,529.64 and 7,333.44

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Solution

The fourth proportional to 19,021.20, 28,529.64 and 7,333.44 is: 10,999.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,021.20 : 28,529.64 = 7,333.44 : x
  2. Step 2: Convert to fraction form
    19,021.20/28,529.64 = 7,333.44/x
  3. Step 3: Cross multiply
    19,021.20x = 28,529.64 × 7,333.44
  4. Step 4: Simplify right side
    19,021.20x = 209,220,403.16
  5. Step 5: Solve for x
    x = 209,220,403.16/19,021.20
  6. Step 6: Final answer
    x = 10,999.33

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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.