Home / 15,578.58-23,371.56-4,485

Finding the Fourth Proportional to 15,578.58, 23,371.56 and 4,485

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Solution

The fourth proportional to 15,578.58, 23,371.56 and 4,485 is: 6,728.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,578.58 : 23,371.56 = 4,485 : x
  2. Step 2: Convert to fraction form
    15,578.58/23,371.56 = 4,485/x
  3. Step 3: Cross multiply
    15,578.58x = 23,371.56 × 4,485
  4. Step 4: Simplify right side
    15,578.58x = 104,821,446.60
  5. Step 5: Solve for x
    x = 104,821,446.60/15,578.58
  6. Step 6: Final answer
    x = 6,728.56

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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.