Home / 28,723.21-43,092.41-13,137.19

Finding the Fourth Proportional to 28,723.21, 43,092.41 and 13,137.19

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Solution

The fourth proportional to 28,723.21, 43,092.41 and 13,137.19 is: 19,709.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,723.21 : 43,092.41 = 13,137.19 : x
  2. Step 2: Convert to fraction form
    28,723.21/43,092.41 = 13,137.19/x
  3. Step 3: Cross multiply
    28,723.21x = 43,092.41 × 13,137.19
  4. Step 4: Simplify right side
    28,723.21x = 566,113,004.31
  5. Step 5: Solve for x
    x = 566,113,004.31/28,723.21
  6. Step 6: Final answer
    x = 19,709.25

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1.5x scale

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.