Home / 28,812.03-43,217.22-15,747.15

Finding the Fourth Proportional to 28,812.03, 43,217.22 and 15,747.15

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Solution

The fourth proportional to 28,812.03, 43,217.22 and 15,747.15 is: 23,620.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,812.03 : 43,217.22 = 15,747.15 : x
  2. Step 2: Convert to fraction form
    28,812.03/43,217.22 = 15,747.15/x
  3. Step 3: Cross multiply
    28,812.03x = 43,217.22 × 15,747.15
  4. Step 4: Simplify right side
    28,812.03x = 680,548,045.92
  5. Step 5: Solve for x
    x = 680,548,045.92/28,812.03
  6. Step 6: Final answer
    x = 23,620.27

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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.