Home / 21,367.52-29,491.44-14,224.48

Finding the Fourth Proportional to 21,367.52, 29,491.44 and 14,224.48

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Solution

The fourth proportional to 21,367.52, 29,491.44 and 14,224.48 is: 19,632.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,367.52 : 29,491.44 = 14,224.48 : x
  2. Step 2: Convert to fraction form
    21,367.52/29,491.44 = 14,224.48/x
  3. Step 3: Cross multiply
    21,367.52x = 29,491.44 × 14,224.48
  4. Step 4: Simplify right side
    21,367.52x = 419,500,398.45
  5. Step 5: Solve for x
    x = 419,500,398.45/21,367.52
  6. Step 6: Final answer
    x = 19,632.62

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1.5x scale

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.