Home / 28,238.21-38,963.14-16,751

Finding the Fourth Proportional to 28,238.21, 38,963.14 and 16,751

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Solution

The fourth proportional to 28,238.21, 38,963.14 and 16,751 is: 23,113.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,238.21 : 38,963.14 = 16,751 : x
  2. Step 2: Convert to fraction form
    28,238.21/38,963.14 = 16,751/x
  3. Step 3: Cross multiply
    28,238.21x = 38,963.14 × 16,751
  4. Step 4: Simplify right side
    28,238.21x = 652,671,558.14
  5. Step 5: Solve for x
    x = 652,671,558.14/28,238.21
  6. Step 6: Final answer
    x = 23,113.06

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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.