Home / 16,980.48-25,453.44-15,723.36

Finding the Fourth Proportional to 16,980.48, 25,453.44 and 15,723.36

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Solution

The fourth proportional to 16,980.48, 25,453.44 and 15,723.36 is: 23,569.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,980.48 : 25,453.44 = 15,723.36 : x
  2. Step 2: Convert to fraction form
    16,980.48/25,453.44 = 15,723.36/x
  3. Step 3: Cross multiply
    16,980.48x = 25,453.44 × 15,723.36
  4. Step 4: Simplify right side
    16,980.48x = 400,213,600.36
  5. Step 5: Solve for x
    x = 400,213,600.36/16,980.48
  6. Step 6: Final answer
    x = 23,569.04

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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.