Home / 28,899.04-43,351.32-8,122.48

Finding the Fourth Proportional to 28,899.04, 43,351.32 and 8,122.48

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Solution

The fourth proportional to 28,899.04, 43,351.32 and 8,122.48 is: 12,184.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,899.04 : 43,351.32 = 8,122.48 : x
  2. Step 2: Convert to fraction form
    28,899.04/43,351.32 = 8,122.48/x
  3. Step 3: Cross multiply
    28,899.04x = 43,351.32 × 8,122.48
  4. Step 4: Simplify right side
    28,899.04x = 352,120,229.67
  5. Step 5: Solve for x
    x = 352,120,229.67/28,899.04
  6. Step 6: Final answer
    x = 12,184.50

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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.