Home / 28,741.19-39,659.70-15,992.36

Finding the Fourth Proportional to 28,741.19, 39,659.70 and 15,992.36

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Solution

The fourth proportional to 28,741.19, 39,659.70 and 15,992.36 is: 22,067.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,741.19 : 39,659.70 = 15,992.36 : x
  2. Step 2: Convert to fraction form
    28,741.19/39,659.70 = 15,992.36/x
  3. Step 3: Cross multiply
    28,741.19x = 39,659.70 × 15,992.36
  4. Step 4: Simplify right side
    28,741.19x = 634,252,001.59
  5. Step 5: Solve for x
    x = 634,252,001.59/28,741.19
  6. Step 6: Final answer
    x = 22,067.71

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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.