Home / 21,287.88-29,371.68-14,202

Finding the Fourth Proportional to 21,287.88, 29,371.68 and 14,202

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Solution

The fourth proportional to 21,287.88, 29,371.68 and 14,202 is: 19,595.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,287.88 : 29,371.68 = 14,202 : x
  2. Step 2: Convert to fraction form
    21,287.88/29,371.68 = 14,202/x
  3. Step 3: Cross multiply
    21,287.88x = 29,371.68 × 14,202
  4. Step 4: Simplify right side
    21,287.88x = 417,136,599.36
  5. Step 5: Solve for x
    x = 417,136,599.36/21,287.88
  6. Step 6: Final answer
    x = 19,595.03

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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.