Home / 28,880.96-43,335.20-15,733.04

Finding the Fourth Proportional to 28,880.96, 43,335.20 and 15,733.04

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Solution

The fourth proportional to 28,880.96, 43,335.20 and 15,733.04 is: 23,607.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,880.96 : 43,335.20 = 15,733.04 : x
  2. Step 2: Convert to fraction form
    28,880.96/43,335.20 = 15,733.04/x
  3. Step 3: Cross multiply
    28,880.96x = 43,335.20 × 15,733.04
  4. Step 4: Simplify right side
    28,880.96x = 681,794,257.66
  5. Step 5: Solve for x
    x = 681,794,257.66/28,880.96
  6. Step 6: Final answer
    x = 23,607.05

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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.