Home / 28,940.96-43,410.54-9,220.70

Finding the Fourth Proportional to 28,940.96, 43,410.54 and 9,220.70

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Solution

The fourth proportional to 28,940.96, 43,410.54 and 9,220.70 is: 13,830.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,940.96 : 43,410.54 = 9,220.70 : x
  2. Step 2: Convert to fraction form
    28,940.96/43,410.54 = 9,220.70/x
  3. Step 3: Cross multiply
    28,940.96x = 43,410.54 × 9,220.70
  4. Step 4: Simplify right side
    28,940.96x = 400,275,566.18
  5. Step 5: Solve for x
    x = 400,275,566.18/28,940.96
  6. Step 6: Final answer
    x = 13,830.76

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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.