Home / 28,735.36-43,103.10-7,958.92

Finding the Fourth Proportional to 28,735.36, 43,103.10 and 7,958.92

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Solution

The fourth proportional to 28,735.36, 43,103.10 and 7,958.92 is: 11,938.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,735.36 : 43,103.10 = 7,958.92 : x
  2. Step 2: Convert to fraction form
    28,735.36/43,103.10 = 7,958.92/x
  3. Step 3: Cross multiply
    28,735.36x = 43,103.10 × 7,958.92
  4. Step 4: Simplify right side
    28,735.36x = 343,054,124.65
  5. Step 5: Solve for x
    x = 343,054,124.65/28,735.36
  6. Step 6: Final answer
    x = 11,938.40

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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.