Home / 28,749.54-43,117.82-7,974.66

Finding the Fourth Proportional to 28,749.54, 43,117.82 and 7,974.66

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Solution

The fourth proportional to 28,749.54, 43,117.82 and 7,974.66 is: 11,960.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,749.54 : 43,117.82 = 7,974.66 : x
  2. Step 2: Convert to fraction form
    28,749.54/43,117.82 = 7,974.66/x
  3. Step 3: Cross multiply
    28,749.54x = 43,117.82 × 7,974.66
  4. Step 4: Simplify right side
    28,749.54x = 343,849,954.44
  5. Step 5: Solve for x
    x = 343,849,954.44/28,749.54
  6. Step 6: Final answer
    x = 11,960.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.