Home / 28,826.21-43,261.19-19,443.98

Finding the Fourth Proportional to 28,826.21, 43,261.19 and 19,443.98

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Solution

The fourth proportional to 28,826.21, 43,261.19 and 19,443.98 is: 29,180.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,826.21 : 43,261.19 = 19,443.98 : x
  2. Step 2: Convert to fraction form
    28,826.21/43,261.19 = 19,443.98/x
  3. Step 3: Cross multiply
    28,826.21x = 43,261.19 × 19,443.98
  4. Step 4: Simplify right side
    28,826.21x = 841,169,796.98
  5. Step 5: Solve for x
    x = 841,169,796.98/28,826.21
  6. Step 6: Final answer
    x = 29,180.73

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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.