Home / 26,421.27-39,620.39-9,993.75

Finding the Fourth Proportional to 26,421.27, 39,620.39 and 9,993.75

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Solution

The fourth proportional to 26,421.27, 39,620.39 and 9,993.75 is: 14,986.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,421.27 : 39,620.39 = 9,993.75 : x
  2. Step 2: Convert to fraction form
    26,421.27/39,620.39 = 9,993.75/x
  3. Step 3: Cross multiply
    26,421.27x = 39,620.39 × 9,993.75
  4. Step 4: Simplify right side
    26,421.27x = 395,956,222.59
  5. Step 5: Solve for x
    x = 395,956,222.59/26,421.27
  6. Step 6: Final answer
    x = 14,986.27

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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.