Home / 15,629.88-23,433.18-5,767.32

Finding the Fourth Proportional to 15,629.88, 23,433.18 and 5,767.32

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Solution

The fourth proportional to 15,629.88, 23,433.18 and 5,767.32 is: 8,646.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,629.88 : 23,433.18 = 5,767.32 : x
  2. Step 2: Convert to fraction form
    15,629.88/23,433.18 = 5,767.32/x
  3. Step 3: Cross multiply
    15,629.88x = 23,433.18 × 5,767.32
  4. Step 4: Simplify right side
    15,629.88x = 135,146,647.68
  5. Step 5: Solve for x
    x = 135,146,647.68/15,629.88
  6. Step 6: Final answer
    x = 8,646.68

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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.