Home / 26,520.96-39,780.72-6,798.72

Finding the Fourth Proportional to 26,520.96, 39,780.72 and 6,798.72

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Solution

The fourth proportional to 26,520.96, 39,780.72 and 6,798.72 is: 10,197.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,520.96 : 39,780.72 = 6,798.72 : x
  2. Step 2: Convert to fraction form
    26,520.96/39,780.72 = 6,798.72/x
  3. Step 3: Cross multiply
    26,520.96x = 39,780.72 × 6,798.72
  4. Step 4: Simplify right side
    26,520.96x = 270,457,976.68
  5. Step 5: Solve for x
    x = 270,457,976.68/26,520.96
  6. Step 6: Final answer
    x = 10,197.90

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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.