Home / 28,313.91-39,069.96-22,646.59

Finding the Fourth Proportional to 28,313.91, 39,069.96 and 22,646.59

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Solution

The fourth proportional to 28,313.91, 39,069.96 and 22,646.59 is: 31,249.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,313.91 : 39,069.96 = 22,646.59 : x
  2. Step 2: Convert to fraction form
    28,313.91/39,069.96 = 22,646.59/x
  3. Step 3: Cross multiply
    28,313.91x = 39,069.96 × 22,646.59
  4. Step 4: Simplify right side
    28,313.91x = 884,801,365.44
  5. Step 5: Solve for x
    x = 884,801,365.44/28,313.91
  6. Step 6: Final answer
    x = 31,249.71

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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.