Home / 28,947.09-43,419.81-9,226.83

Finding the Fourth Proportional to 28,947.09, 43,419.81 and 9,226.83

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Solution

The fourth proportional to 28,947.09, 43,419.81 and 9,226.83 is: 13,839.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,947.09 : 43,419.81 = 9,226.83 : x
  2. Step 2: Convert to fraction form
    28,947.09/43,419.81 = 9,226.83/x
  3. Step 3: Cross multiply
    28,947.09x = 43,419.81 × 9,226.83
  4. Step 4: Simplify right side
    28,947.09x = 400,627,205.50
  5. Step 5: Solve for x
    x = 400,627,205.50/28,947.09
  6. Step 6: Final answer
    x = 13,839.98

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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.