Home / 21,250.81-29,304.43-14,338.52

Finding the Fourth Proportional to 21,250.81, 29,304.43 and 14,338.52

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Solution

The fourth proportional to 21,250.81, 29,304.43 and 14,338.52 is: 19,772.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,250.81 : 29,304.43 = 14,338.52 : x
  2. Step 2: Convert to fraction form
    21,250.81/29,304.43 = 14,338.52/x
  3. Step 3: Cross multiply
    21,250.81x = 29,304.43 × 14,338.52
  4. Step 4: Simplify right side
    21,250.81x = 420,182,163.82
  5. Step 5: Solve for x
    x = 420,182,163.82/21,250.81
  6. Step 6: Final answer
    x = 19,772.53

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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.