Home / 28,993.88-43,507.56-15,666.92

Finding the Fourth Proportional to 28,993.88, 43,507.56 and 15,666.92

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Solution

The fourth proportional to 28,993.88, 43,507.56 and 15,666.92 is: 23,509.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,993.88 : 43,507.56 = 15,666.92 : x
  2. Step 2: Convert to fraction form
    28,993.88/43,507.56 = 15,666.92/x
  3. Step 3: Cross multiply
    28,993.88x = 43,507.56 × 15,666.92
  4. Step 4: Simplify right side
    28,993.88x = 681,629,466.28
  5. Step 5: Solve for x
    x = 681,629,466.28/28,993.88
  6. Step 6: Final answer
    x = 23,509.42

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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.