Home / 27,707.22-38,232.48-15,770.79

Finding the Fourth Proportional to 27,707.22, 38,232.48 and 15,770.79

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Solution

The fourth proportional to 27,707.22, 38,232.48 and 15,770.79 is: 21,761.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,707.22 : 38,232.48 = 15,770.79 : x
  2. Step 2: Convert to fraction form
    27,707.22/38,232.48 = 15,770.79/x
  3. Step 3: Cross multiply
    27,707.22x = 38,232.48 × 15,770.79
  4. Step 4: Simplify right side
    27,707.22x = 602,956,413.26
  5. Step 5: Solve for x
    x = 602,956,413.26/27,707.22
  6. Step 6: Final answer
    x = 21,761.71

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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.