Home / 25,187.76-34,761.39-13,859.52

Finding the Fourth Proportional to 25,187.76, 34,761.39 and 13,859.52

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Solution

The fourth proportional to 25,187.76, 34,761.39 and 13,859.52 is: 19,127.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,187.76 : 34,761.39 = 13,859.52 : x
  2. Step 2: Convert to fraction form
    25,187.76/34,761.39 = 13,859.52/x
  3. Step 3: Cross multiply
    25,187.76x = 34,761.39 × 13,859.52
  4. Step 4: Simplify right side
    25,187.76x = 481,776,179.93
  5. Step 5: Solve for x
    x = 481,776,179.93/25,187.76
  6. Step 6: Final answer
    x = 19,127.39

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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.