Home / 19,721.88-29,550.02-16,222.68

Finding the Fourth Proportional to 19,721.88, 29,550.02 and 16,222.68

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Solution

The fourth proportional to 19,721.88, 29,550.02 and 16,222.68 is: 24,307.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,721.88 : 29,550.02 = 16,222.68 : x
  2. Step 2: Convert to fraction form
    19,721.88/29,550.02 = 16,222.68/x
  3. Step 3: Cross multiply
    19,721.88x = 29,550.02 × 16,222.68
  4. Step 4: Simplify right side
    19,721.88x = 479,380,437.34
  5. Step 5: Solve for x
    x = 479,380,437.34/19,721.88
  6. Step 6: Final answer
    x = 24,307.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.