Home / 28,757.58-43,137.83-9,036.33

Finding the Fourth Proportional to 28,757.58, 43,137.83 and 9,036.33

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Solution

The fourth proportional to 28,757.58, 43,137.83 and 9,036.33 is: 13,554.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,757.58 : 43,137.83 = 9,036.33 : x
  2. Step 2: Convert to fraction form
    28,757.58/43,137.83 = 9,036.33/x
  3. Step 3: Cross multiply
    28,757.58x = 43,137.83 × 9,036.33
  4. Step 4: Simplify right side
    28,757.58x = 389,807,667.36
  5. Step 5: Solve for x
    x = 389,807,667.36/28,757.58
  6. Step 6: Final answer
    x = 13,554.95

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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.