Home / 28,877.25-43,321.63-14,086.45

Finding the Fourth Proportional to 28,877.25, 43,321.63 and 14,086.45

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Solution

The fourth proportional to 28,877.25, 43,321.63 and 14,086.45 is: 21,132.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,877.25 : 43,321.63 = 14,086.45 : x
  2. Step 2: Convert to fraction form
    28,877.25/43,321.63 = 14,086.45/x
  3. Step 3: Cross multiply
    28,877.25x = 43,321.63 × 14,086.45
  4. Step 4: Simplify right side
    28,877.25x = 610,247,974.91
  5. Step 5: Solve for x
    x = 610,247,974.91/28,877.25
  6. Step 6: Final answer
    x = 21,132.48

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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.