Home / 26,453.18-39,680.12-9,806.78

Finding the Fourth Proportional to 26,453.18, 39,680.12 and 9,806.78

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Solution

The fourth proportional to 26,453.18, 39,680.12 and 9,806.78 is: 14,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,453.18 : 39,680.12 = 9,806.78 : x
  2. Step 2: Convert to fraction form
    26,453.18/39,680.12 = 9,806.78/x
  3. Step 3: Cross multiply
    26,453.18x = 39,680.12 × 9,806.78
  4. Step 4: Simplify right side
    26,453.18x = 389,134,033.33
  5. Step 5: Solve for x
    x = 389,134,033.33/26,453.18
  6. Step 6: Final answer
    x = 14,710.30

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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.