Home / 28,441.62-42,659.55-7,667.22

Finding the Fourth Proportional to 28,441.62, 42,659.55 and 7,667.22

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Solution

The fourth proportional to 28,441.62, 42,659.55 and 7,667.22 is: 11,500.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,441.62 : 42,659.55 = 7,667.22 : x
  2. Step 2: Convert to fraction form
    28,441.62/42,659.55 = 7,667.22/x
  3. Step 3: Cross multiply
    28,441.62x = 42,659.55 × 7,667.22
  4. Step 4: Simplify right side
    28,441.62x = 327,080,154.95
  5. Step 5: Solve for x
    x = 327,080,154.95/28,441.62
  6. Step 6: Final answer
    x = 11,500.05

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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.