Home / 28,195.99-42,293.88-11,556.02

Finding the Fourth Proportional to 28,195.99, 42,293.88 and 11,556.02

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Solution

The fourth proportional to 28,195.99, 42,293.88 and 11,556.02 is: 17,333.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,195.99 : 42,293.88 = 11,556.02 : x
  2. Step 2: Convert to fraction form
    28,195.99/42,293.88 = 11,556.02/x
  3. Step 3: Cross multiply
    28,195.99x = 42,293.88 × 11,556.02
  4. Step 4: Simplify right side
    28,195.99x = 488,749,028.89
  5. Step 5: Solve for x
    x = 488,749,028.89/28,195.99
  6. Step 6: Final answer
    x = 17,333.99

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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.