Home / 19,004.72-28,636.82-15,617.84

Finding the Fourth Proportional to 19,004.72, 28,636.82 and 15,617.84

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Solution

The fourth proportional to 19,004.72, 28,636.82 and 15,617.84 is: 23,533.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,004.72 : 28,636.82 = 15,617.84 : x
  2. Step 2: Convert to fraction form
    19,004.72/28,636.82 = 15,617.84/x
  3. Step 3: Cross multiply
    19,004.72x = 28,636.82 × 15,617.84
  4. Step 4: Simplify right side
    19,004.72x = 447,245,272.87
  5. Step 5: Solve for x
    x = 447,245,272.87/19,004.72
  6. Step 6: Final answer
    x = 23,533.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.