Home / 26,621.80-39,928.46-8,850.98

Finding the Fourth Proportional to 26,621.80, 39,928.46 and 8,850.98

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Solution

The fourth proportional to 26,621.80, 39,928.46 and 8,850.98 is: 13,275.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,621.80 : 39,928.46 = 8,850.98 : x
  2. Step 2: Convert to fraction form
    26,621.80/39,928.46 = 8,850.98/x
  3. Step 3: Cross multiply
    26,621.80x = 39,928.46 × 8,850.98
  4. Step 4: Simplify right side
    26,621.80x = 353,406,100.71
  5. Step 5: Solve for x
    x = 353,406,100.71/26,621.80
  6. Step 6: Final answer
    x = 13,275.07

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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.