Home / 28,930.46-43,395.21-9,208.73

Finding the Fourth Proportional to 28,930.46, 43,395.21 and 9,208.73

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Solution

The fourth proportional to 28,930.46, 43,395.21 and 9,208.73 is: 13,812.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,930.46 : 43,395.21 = 9,208.73 : x
  2. Step 2: Convert to fraction form
    28,930.46/43,395.21 = 9,208.73/x
  3. Step 3: Cross multiply
    28,930.46x = 43,395.21 × 9,208.73
  4. Step 4: Simplify right side
    28,930.46x = 399,614,555.21
  5. Step 5: Solve for x
    x = 399,614,555.21/28,930.46
  6. Step 6: Final answer
    x = 13,812.94

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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.