Home / 28,734.36-43,101.60-7,957.92

Finding the Fourth Proportional to 28,734.36, 43,101.60 and 7,957.92

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Solution

The fourth proportional to 28,734.36, 43,101.60 and 7,957.92 is: 11,936.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,734.36 : 43,101.60 = 7,957.92 : x
  2. Step 2: Convert to fraction form
    28,734.36/43,101.60 = 7,957.92/x
  3. Step 3: Cross multiply
    28,734.36x = 43,101.60 × 7,957.92
  4. Step 4: Simplify right side
    28,734.36x = 342,999,084.67
  5. Step 5: Solve for x
    x = 342,999,084.67/28,734.36
  6. Step 6: Final answer
    x = 11,936.90

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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.