Home / 26,455.44-39,685.49-9,815.65

Finding the Fourth Proportional to 26,455.44, 39,685.49 and 9,815.65

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Solution

The fourth proportional to 26,455.44, 39,685.49 and 9,815.65 is: 14,724.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,455.44 : 39,685.49 = 9,815.65 : x
  2. Step 2: Convert to fraction form
    26,455.44/39,685.49 = 9,815.65/x
  3. Step 3: Cross multiply
    26,455.44x = 39,685.49 × 9,815.65
  4. Step 4: Simplify right side
    26,455.44x = 389,538,879.92
  5. Step 5: Solve for x
    x = 389,538,879.92/26,455.44
  6. Step 6: Final answer
    x = 14,724.34

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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.