Home / 28,348.62-42,527.57-8,622.60

Finding the Fourth Proportional to 28,348.62, 42,527.57 and 8,622.60

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Solution

The fourth proportional to 28,348.62, 42,527.57 and 8,622.60 is: 12,935.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,348.62 : 42,527.57 = 8,622.60 : x
  2. Step 2: Convert to fraction form
    28,348.62/42,527.57 = 8,622.60/x
  3. Step 3: Cross multiply
    28,348.62x = 42,527.57 × 8,622.60
  4. Step 4: Simplify right side
    28,348.62x = 366,698,181.97
  5. Step 5: Solve for x
    x = 366,698,181.97/28,348.62
  6. Step 6: Final answer
    x = 12,935.31

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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.