Home / 28,958.92-43,381.42-19,068.21

Finding the Fourth Proportional to 28,958.92, 43,381.42 and 19,068.21

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Solution

The fourth proportional to 28,958.92, 43,381.42 and 19,068.21 is: 28,564.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,958.92 : 43,381.42 = 19,068.21 : x
  2. Step 2: Convert to fraction form
    28,958.92/43,381.42 = 19,068.21/x
  3. Step 3: Cross multiply
    28,958.92x = 43,381.42 × 19,068.21
  4. Step 4: Simplify right side
    28,958.92x = 827,206,086.25
  5. Step 5: Solve for x
    x = 827,206,086.25/28,958.92
  6. Step 6: Final answer
    x = 28,564.81

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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.