Home / 25,454.67-38,131.26-19,881.93

Finding the Fourth Proportional to 25,454.67, 38,131.26 and 19,881.93

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Solution

The fourth proportional to 25,454.67, 38,131.26 and 19,881.93 is: 29,783.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,454.67 : 38,131.26 = 19,881.93 : x
  2. Step 2: Convert to fraction form
    25,454.67/38,131.26 = 19,881.93/x
  3. Step 3: Cross multiply
    25,454.67x = 38,131.26 × 19,881.93
  4. Step 4: Simplify right side
    25,454.67x = 758,123,042.13
  5. Step 5: Solve for x
    x = 758,123,042.13/25,454.67
  6. Step 6: Final answer
    x = 29,783.26

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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.