Home / 28,851.58-43,277.37-15,729.58

Finding the Fourth Proportional to 28,851.58, 43,277.37 and 15,729.58

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Solution

The fourth proportional to 28,851.58, 43,277.37 and 15,729.58 is: 23,594.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,851.58 : 43,277.37 = 15,729.58 : x
  2. Step 2: Convert to fraction form
    28,851.58/43,277.37 = 15,729.58/x
  3. Step 3: Cross multiply
    28,851.58x = 43,277.37 × 15,729.58
  4. Step 4: Simplify right side
    28,851.58x = 680,734,853.60
  5. Step 5: Solve for x
    x = 680,734,853.60/28,851.58
  6. Step 6: Final answer
    x = 23,594.37

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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.