Home / 28,086.12-42,133.50-9,359.73

Finding the Fourth Proportional to 28,086.12, 42,133.50 and 9,359.73

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Solution

The fourth proportional to 28,086.12, 42,133.50 and 9,359.73 is: 14,041.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,086.12 : 42,133.50 = 9,359.73 : x
  2. Step 2: Convert to fraction form
    28,086.12/42,133.50 = 9,359.73/x
  3. Step 3: Cross multiply
    28,086.12x = 42,133.50 × 9,359.73
  4. Step 4: Simplify right side
    28,086.12x = 394,358,183.96
  5. Step 5: Solve for x
    x = 394,358,183.96/28,086.12
  6. Step 6: Final answer
    x = 14,041.03

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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.