Home / 25,701.65-35,488.37-19,723.85

Finding the Fourth Proportional to 25,701.65, 35,488.37 and 19,723.85

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Solution

The fourth proportional to 25,701.65, 35,488.37 and 19,723.85 is: 27,234.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,701.65 : 35,488.37 = 19,723.85 : x
  2. Step 2: Convert to fraction form
    25,701.65/35,488.37 = 19,723.85/x
  3. Step 3: Cross multiply
    25,701.65x = 35,488.37 × 19,723.85
  4. Step 4: Simplify right side
    25,701.65x = 699,967,286.62
  5. Step 5: Solve for x
    x = 699,967,286.62/25,701.65
  6. Step 6: Final answer
    x = 27,234.33

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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.