Home / 28,199.43-42,299.19-11,556.36

Finding the Fourth Proportional to 28,199.43, 42,299.19 and 11,556.36

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Solution

The fourth proportional to 28,199.43, 42,299.19 and 11,556.36 is: 17,334.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,199.43 : 42,299.19 = 11,556.36 : x
  2. Step 2: Convert to fraction form
    28,199.43/42,299.19 = 11,556.36/x
  3. Step 3: Cross multiply
    28,199.43x = 42,299.19 × 11,556.36
  4. Step 4: Simplify right side
    28,199.43x = 488,824,667.35
  5. Step 5: Solve for x
    x = 488,824,667.35/28,199.43
  6. Step 6: Final answer
    x = 17,334.56

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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.