Home / 26,271.62-39,362.88-15,861.50

Finding the Fourth Proportional to 26,271.62, 39,362.88 and 15,861.50

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Solution

The fourth proportional to 26,271.62, 39,362.88 and 15,861.50 is: 23,765.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,271.62 : 39,362.88 = 15,861.50 : x
  2. Step 2: Convert to fraction form
    26,271.62/39,362.88 = 15,861.50/x
  3. Step 3: Cross multiply
    26,271.62x = 39,362.88 × 15,861.50
  4. Step 4: Simplify right side
    26,271.62x = 624,354,321.12
  5. Step 5: Solve for x
    x = 624,354,321.12/26,271.62
  6. Step 6: Final answer
    x = 23,765.35

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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.