Home / 25,973.88-38,923.86-20,103

Finding the Fourth Proportional to 25,973.88, 38,923.86 and 20,103

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Solution

The fourth proportional to 25,973.88, 38,923.86 and 20,103 is: 30,125.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,973.88 : 38,923.86 = 20,103 : x
  2. Step 2: Convert to fraction form
    25,973.88/38,923.86 = 20,103/x
  3. Step 3: Cross multiply
    25,973.88x = 38,923.86 × 20,103
  4. Step 4: Simplify right side
    25,973.88x = 782,486,357.58
  5. Step 5: Solve for x
    x = 782,486,357.58/25,973.88
  6. Step 6: Final answer
    x = 30,125.89

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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.