Home / 19,199.67-28,743.44-15,509.09

Finding the Fourth Proportional to 19,199.67, 28,743.44 and 15,509.09

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Solution

The fourth proportional to 19,199.67, 28,743.44 and 15,509.09 is: 23,218.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,199.67 : 28,743.44 = 15,509.09 : x
  2. Step 2: Convert to fraction form
    19,199.67/28,743.44 = 15,509.09/x
  3. Step 3: Cross multiply
    19,199.67x = 28,743.44 × 15,509.09
  4. Step 4: Simplify right side
    19,199.67x = 445,784,376.61
  5. Step 5: Solve for x
    x = 445,784,376.61/19,199.67
  6. Step 6: Final answer
    x = 23,218.34

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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.