Home / 25,195.43-37,780.07-7,423.78

Finding the Fourth Proportional to 25,195.43, 37,780.07 and 7,423.78

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Solution

The fourth proportional to 25,195.43, 37,780.07 and 7,423.78 is: 11,131.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,195.43 : 37,780.07 = 7,423.78 : x
  2. Step 2: Convert to fraction form
    25,195.43/37,780.07 = 7,423.78/x
  3. Step 3: Cross multiply
    25,195.43x = 37,780.07 × 7,423.78
  4. Step 4: Simplify right side
    25,195.43x = 280,470,890.95
  5. Step 5: Solve for x
    x = 280,470,890.95/25,195.43
  6. Step 6: Final answer
    x = 11,131.82

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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.