Home / 28,766.54-43,141.26-12,962.46

Finding the Fourth Proportional to 28,766.54, 43,141.26 and 12,962.46

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Solution

The fourth proportional to 28,766.54, 43,141.26 and 12,962.46 is: 19,439.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,766.54 : 43,141.26 = 12,962.46 : x
  2. Step 2: Convert to fraction form
    28,766.54/43,141.26 = 12,962.46/x
  3. Step 3: Cross multiply
    28,766.54x = 43,141.26 × 12,962.46
  4. Step 4: Simplify right side
    28,766.54x = 559,216,857.10
  5. Step 5: Solve for x
    x = 559,216,857.10/28,766.54
  6. Step 6: Final answer
    x = 19,439.84

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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.