Home / 34,327.78-51,429.50-28,816.54

Finding the Fourth Proportional to 34,327.78, 51,429.50 and 28,816.54

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Solution

The fourth proportional to 34,327.78, 51,429.50 and 28,816.54 is: 43,172.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,327.78 : 51,429.50 = 28,816.54 : x
  2. Step 2: Convert to fraction form
    34,327.78/51,429.50 = 28,816.54/x
  3. Step 3: Cross multiply
    34,327.78x = 51,429.50 × 28,816.54
  4. Step 4: Simplify right side
    34,327.78x = 1,482,019,842.70
  5. Step 5: Solve for x
    x = 1,482,019,842.70/34,327.78
  6. Step 6: Final answer
    x = 43,172.62

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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.