Home / 28,847.70-43,271.55-18,998.10

Finding the Fourth Proportional to 28,847.70, 43,271.55 and 18,998.10

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Solution

The fourth proportional to 28,847.70, 43,271.55 and 18,998.10 is: 28,497.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,847.70 : 43,271.55 = 18,998.10 : x
  2. Step 2: Convert to fraction form
    28,847.70/43,271.55 = 18,998.10/x
  3. Step 3: Cross multiply
    28,847.70x = 43,271.55 × 18,998.10
  4. Step 4: Simplify right side
    28,847.70x = 822,077,234.06
  5. Step 5: Solve for x
    x = 822,077,234.06/28,847.70
  6. Step 6: Final answer
    x = 28,497.15

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Similar ratio
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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.