Home / 28,783.58-43,185.68-10,068.75

Finding the Fourth Proportional to 28,783.58, 43,185.68 and 10,068.75

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Solution

The fourth proportional to 28,783.58, 43,185.68 and 10,068.75 is: 15,106.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,783.58 : 43,185.68 = 10,068.75 : x
  2. Step 2: Convert to fraction form
    28,783.58/43,185.68 = 10,068.75/x
  3. Step 3: Cross multiply
    28,783.58x = 43,185.68 × 10,068.75
  4. Step 4: Simplify right side
    28,783.58x = 434,825,765.16
  5. Step 5: Solve for x
    x = 434,825,765.16/28,783.58
  6. Step 6: Final answer
    x = 15,106.73

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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.