Home / 28,992.48-39,709.86-27,290.28

Finding the Fourth Proportional to 28,992.48, 39,709.86 and 27,290.28

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Solution

The fourth proportional to 28,992.48, 39,709.86 and 27,290.28 is: 37,378.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,992.48 : 39,709.86 = 27,290.28 : x
  2. Step 2: Convert to fraction form
    28,992.48/39,709.86 = 27,290.28/x
  3. Step 3: Cross multiply
    28,992.48x = 39,709.86 × 27,290.28
  4. Step 4: Simplify right side
    28,992.48x = 1,083,693,198.16
  5. Step 5: Solve for x
    x = 1,083,693,198.16/28,992.48
  6. Step 6: Final answer
    x = 37,378.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.