Home / 27,795.51-38,357.82-15,220.26

Finding the Fourth Proportional to 27,795.51, 38,357.82 and 15,220.26

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Solution

The fourth proportional to 27,795.51, 38,357.82 and 15,220.26 is: 21,003.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,795.51 : 38,357.82 = 15,220.26 : x
  2. Step 2: Convert to fraction form
    27,795.51/38,357.82 = 15,220.26/x
  3. Step 3: Cross multiply
    27,795.51x = 38,357.82 × 15,220.26
  4. Step 4: Simplify right side
    27,795.51x = 583,815,993.43
  5. Step 5: Solve for x
    x = 583,815,993.43/27,795.51
  6. Step 6: Final answer
    x = 21,003.97

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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.