Home / 26,631.21-39,947.09-6,908.57

Finding the Fourth Proportional to 26,631.21, 39,947.09 and 6,908.57

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Solution

The fourth proportional to 26,631.21, 39,947.09 and 6,908.57 is: 10,362.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,631.21 : 39,947.09 = 6,908.57 : x
  2. Step 2: Convert to fraction form
    26,631.21/39,947.09 = 6,908.57/x
  3. Step 3: Cross multiply
    26,631.21x = 39,947.09 × 6,908.57
  4. Step 4: Simplify right side
    26,631.21x = 275,977,033.28
  5. Step 5: Solve for x
    x = 275,977,033.28/26,631.21
  6. Step 6: Final answer
    x = 10,362.92

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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.