Home / 25,143.21-34,703.87-14,531.31

Finding the Fourth Proportional to 25,143.21, 34,703.87 and 14,531.31

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Solution

The fourth proportional to 25,143.21, 34,703.87 and 14,531.31 is: 20,056.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,143.21 : 34,703.87 = 14,531.31 : x
  2. Step 2: Convert to fraction form
    25,143.21/34,703.87 = 14,531.31/x
  3. Step 3: Cross multiply
    25,143.21x = 34,703.87 × 14,531.31
  4. Step 4: Simplify right side
    25,143.21x = 504,292,620.51
  5. Step 5: Solve for x
    x = 504,292,620.51/25,143.21
  6. Step 6: Final answer
    x = 20,056.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.