Home / 25,348-38,022.54-7,819.36

Finding the Fourth Proportional to 25,348, 38,022.54 and 7,819.36

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Solution

The fourth proportional to 25,348, 38,022.54 and 7,819.36 is: 11,729.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,348 : 38,022.54 = 7,819.36 : x
  2. Step 2: Convert to fraction form
    25,348/38,022.54 = 7,819.36/x
  3. Step 3: Cross multiply
    25,348x = 38,022.54 × 7,819.36
  4. Step 4: Simplify right side
    25,348x = 297,311,928.37
  5. Step 5: Solve for x
    x = 297,311,928.37/25,348
  6. Step 6: Final answer
    x = 11,729.21

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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.