Home / 25,379.88-38,077.61-11,351.71

Finding the Fourth Proportional to 25,379.88, 38,077.61 and 11,351.71

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Solution

The fourth proportional to 25,379.88, 38,077.61 and 11,351.71 is: 17,031.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,379.88 : 38,077.61 = 11,351.71 : x
  2. Step 2: Convert to fraction form
    25,379.88/38,077.61 = 11,351.71/x
  3. Step 3: Cross multiply
    25,379.88x = 38,077.61 × 11,351.71
  4. Step 4: Simplify right side
    25,379.88x = 432,245,986.21
  5. Step 5: Solve for x
    x = 432,245,986.21/25,379.88
  6. Step 6: Final answer
    x = 17,031.05

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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.