Home / 22,142.77-30,549.35-14,189.38

Finding the Fourth Proportional to 22,142.77, 30,549.35 and 14,189.38

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Solution

The fourth proportional to 22,142.77, 30,549.35 and 14,189.38 is: 19,576.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,142.77 : 30,549.35 = 14,189.38 : x
  2. Step 2: Convert to fraction form
    22,142.77/30,549.35 = 14,189.38/x
  3. Step 3: Cross multiply
    22,142.77x = 30,549.35 × 14,189.38
  4. Step 4: Simplify right side
    22,142.77x = 433,476,295.00
  5. Step 5: Solve for x
    x = 433,476,295.00/22,142.77
  6. Step 6: Final answer
    x = 19,576.43

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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.