Home / 28,949.92-39,945.70-17,015.66

Finding the Fourth Proportional to 28,949.92, 39,945.70 and 17,015.66

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Solution

The fourth proportional to 28,949.92, 39,945.70 and 17,015.66 is: 23,478.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,949.92 : 39,945.70 = 17,015.66 : x
  2. Step 2: Convert to fraction form
    28,949.92/39,945.70 = 17,015.66/x
  3. Step 3: Cross multiply
    28,949.92x = 39,945.70 × 17,015.66
  4. Step 4: Simplify right side
    28,949.92x = 679,702,449.66
  5. Step 5: Solve for x
    x = 679,702,449.66/28,949.92
  6. Step 6: Final answer
    x = 23,478.56

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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.