Home / 19,127.34-26,397.78-11,577.82

Finding the Fourth Proportional to 19,127.34, 26,397.78 and 11,577.82

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Solution

The fourth proportional to 19,127.34, 26,397.78 and 11,577.82 is: 15,978.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,127.34 : 26,397.78 = 11,577.82 : x
  2. Step 2: Convert to fraction form
    19,127.34/26,397.78 = 11,577.82/x
  3. Step 3: Cross multiply
    19,127.34x = 26,397.78 × 11,577.82
  4. Step 4: Simplify right side
    19,127.34x = 305,628,745.24
  5. Step 5: Solve for x
    x = 305,628,745.24/19,127.34
  6. Step 6: Final answer
    x = 15,978.63

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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.