Home / 38,591.64-57,872.70-13,627.02

Finding the Fourth Proportional to 38,591.64, 57,872.70 and 13,627.02

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Solution

The fourth proportional to 38,591.64, 57,872.70 and 13,627.02 is: 20,435.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,591.64 : 57,872.70 = 13,627.02 : x
  2. Step 2: Convert to fraction form
    38,591.64/57,872.70 = 13,627.02/x
  3. Step 3: Cross multiply
    38,591.64x = 57,872.70 × 13,627.02
  4. Step 4: Simplify right side
    38,591.64x = 788,632,440.35
  5. Step 5: Solve for x
    x = 788,632,440.35/38,591.64
  6. Step 6: Final answer
    x = 20,435.32

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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.