Home / 37,876.88-52,270.22-20,880.75

Finding the Fourth Proportional to 37,876.88, 52,270.22 and 20,880.75

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Solution

The fourth proportional to 37,876.88, 52,270.22 and 20,880.75 is: 28,815.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,876.88 : 52,270.22 = 20,880.75 : x
  2. Step 2: Convert to fraction form
    37,876.88/52,270.22 = 20,880.75/x
  3. Step 3: Cross multiply
    37,876.88x = 52,270.22 × 20,880.75
  4. Step 4: Simplify right side
    37,876.88x = 1,091,441,396.27
  5. Step 5: Solve for x
    x = 1,091,441,396.27/37,876.88
  6. Step 6: Final answer
    x = 28,815.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.