Home / 51,285.40-76,949.70-27,928.60

Finding the Fourth Proportional to 51,285.40, 76,949.70 and 27,928.60

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Solution

The fourth proportional to 51,285.40, 76,949.70 and 27,928.60 is: 41,904.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,285.40 : 76,949.70 = 27,928.60 : x
  2. Step 2: Convert to fraction form
    51,285.40/76,949.70 = 27,928.60/x
  3. Step 3: Cross multiply
    51,285.40x = 76,949.70 × 27,928.60
  4. Step 4: Simplify right side
    51,285.40x = 2,149,097,391.42
  5. Step 5: Solve for x
    x = 2,149,097,391.42/51,285.40
  6. Step 6: Final answer
    x = 41,904.66

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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.