Home / 31,759.70-43,794.27-26,778.80

Finding the Fourth Proportional to 31,759.70, 43,794.27 and 26,778.80

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Solution

The fourth proportional to 31,759.70, 43,794.27 and 26,778.80 is: 36,925.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,759.70 : 43,794.27 = 26,778.80 : x
  2. Step 2: Convert to fraction form
    31,759.70/43,794.27 = 26,778.80/x
  3. Step 3: Cross multiply
    31,759.70x = 43,794.27 × 26,778.80
  4. Step 4: Simplify right side
    31,759.70x = 1,172,758,106.96
  5. Step 5: Solve for x
    x = 1,172,758,106.96/31,759.70
  6. Step 6: Final answer
    x = 36,925.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.