Home / 28,824.14-42,949.68-25,679.99

Finding the Fourth Proportional to 28,824.14, 42,949.68 and 25,679.99

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Solution

The fourth proportional to 28,824.14, 42,949.68 and 25,679.99 is: 38,264.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,824.14 : 42,949.68 = 25,679.99 : x
  2. Step 2: Convert to fraction form
    28,824.14/42,949.68 = 25,679.99/x
  3. Step 3: Cross multiply
    28,824.14x = 42,949.68 × 25,679.99
  4. Step 4: Simplify right side
    28,824.14x = 1,102,947,288.70
  5. Step 5: Solve for x
    x = 1,102,947,288.70/28,824.14
  6. Step 6: Final answer
    x = 38,264.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.