Home / 21,059.75-29,027.81-14,929.49

Finding the Fourth Proportional to 21,059.75, 29,027.81 and 14,929.49

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Solution

The fourth proportional to 21,059.75, 29,027.81 and 14,929.49 is: 20,578.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,059.75 : 29,027.81 = 14,929.49 : x
  2. Step 2: Convert to fraction form
    21,059.75/29,027.81 = 14,929.49/x
  3. Step 3: Cross multiply
    21,059.75x = 29,027.81 × 14,929.49
  4. Step 4: Simplify right side
    21,059.75x = 433,370,324.47
  5. Step 5: Solve for x
    x = 433,370,324.47/21,059.75
  6. Step 6: Final answer
    x = 20,578.13

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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.