Home / 28,725.74-43,087.49-14,685.60

Finding the Fourth Proportional to 28,725.74, 43,087.49 and 14,685.60

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Solution

The fourth proportional to 28,725.74, 43,087.49 and 14,685.60 is: 22,027.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,725.74 : 43,087.49 = 14,685.60 : x
  2. Step 2: Convert to fraction form
    28,725.74/43,087.49 = 14,685.60/x
  3. Step 3: Cross multiply
    28,725.74x = 43,087.49 × 14,685.60
  4. Step 4: Simplify right side
    28,725.74x = 632,765,569.72
  5. Step 5: Solve for x
    x = 632,765,569.72/28,725.74
  6. Step 6: Final answer
    x = 22,027.83

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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.