Home / 28,792.45-43,197.90-18,271.32

Finding the Fourth Proportional to 28,792.45, 43,197.90 and 18,271.32

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Solution

The fourth proportional to 28,792.45, 43,197.90 and 18,271.32 is: 27,412.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,792.45 : 43,197.90 = 18,271.32 : x
  2. Step 2: Convert to fraction form
    28,792.45/43,197.90 = 18,271.32/x
  3. Step 3: Cross multiply
    28,792.45x = 43,197.90 × 18,271.32
  4. Step 4: Simplify right side
    28,792.45x = 789,282,654.23
  5. Step 5: Solve for x
    x = 789,282,654.23/28,792.45
  6. Step 6: Final answer
    x = 27,412.83

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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.