Home / 26,879.57-40,340.68-14,408.81

Finding the Fourth Proportional to 26,879.57, 40,340.68 and 14,408.81

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Solution

The fourth proportional to 26,879.57, 40,340.68 and 14,408.81 is: 21,624.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,879.57 : 40,340.68 = 14,408.81 : x
  2. Step 2: Convert to fraction form
    26,879.57/40,340.68 = 14,408.81/x
  3. Step 3: Cross multiply
    26,879.57x = 40,340.68 × 14,408.81
  4. Step 4: Simplify right side
    26,879.57x = 581,260,955.67
  5. Step 5: Solve for x
    x = 581,260,955.67/26,879.57
  6. Step 6: Final answer
    x = 21,624.64

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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.