Home / 26,879.45-40,330.71-9,339.71

Finding the Fourth Proportional to 26,879.45, 40,330.71 and 9,339.71

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Solution

The fourth proportional to 26,879.45, 40,330.71 and 9,339.71 is: 14,013.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,879.45 : 40,330.71 = 9,339.71 : x
  2. Step 2: Convert to fraction form
    26,879.45/40,330.71 = 9,339.71/x
  3. Step 3: Cross multiply
    26,879.45x = 40,330.71 × 9,339.71
  4. Step 4: Simplify right side
    26,879.45x = 376,676,933.84
  5. Step 5: Solve for x
    x = 376,676,933.84/26,879.45
  6. Step 6: Final answer
    x = 14,013.57

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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.