Home / 28,362.70-39,091.08-20,792.96

Finding the Fourth Proportional to 28,362.70, 39,091.08 and 20,792.96

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Solution

The fourth proportional to 28,362.70, 39,091.08 and 20,792.96 is: 28,658.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,362.70 : 39,091.08 = 20,792.96 : x
  2. Step 2: Convert to fraction form
    28,362.70/39,091.08 = 20,792.96/x
  3. Step 3: Cross multiply
    28,362.70x = 39,091.08 × 20,792.96
  4. Step 4: Simplify right side
    28,362.70x = 812,819,262.80
  5. Step 5: Solve for x
    x = 812,819,262.80/28,362.70
  6. Step 6: Final answer
    x = 28,658.04

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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.