Home / 28,830.66-43,245.44-10,105.50

Finding the Fourth Proportional to 28,830.66, 43,245.44 and 10,105.50

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Solution

The fourth proportional to 28,830.66, 43,245.44 and 10,105.50 is: 15,158.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,830.66 : 43,245.44 = 10,105.50 : x
  2. Step 2: Convert to fraction form
    28,830.66/43,245.44 = 10,105.50/x
  3. Step 3: Cross multiply
    28,830.66x = 43,245.44 × 10,105.50
  4. Step 4: Simplify right side
    28,830.66x = 437,016,793.92
  5. Step 5: Solve for x
    x = 437,016,793.92/28,830.66
  6. Step 6: Final answer
    x = 15,158.06

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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.