Home / 21,633.29-29,850.36-14,451.70

Finding the Fourth Proportional to 21,633.29, 29,850.36 and 14,451.70

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Solution

The fourth proportional to 21,633.29, 29,850.36 and 14,451.70 is: 19,940.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,633.29 : 29,850.36 = 14,451.70 : x
  2. Step 2: Convert to fraction form
    21,633.29/29,850.36 = 14,451.70/x
  3. Step 3: Cross multiply
    21,633.29x = 29,850.36 × 14,451.70
  4. Step 4: Simplify right side
    21,633.29x = 431,388,374.76
  5. Step 5: Solve for x
    x = 431,388,374.76/21,633.29
  6. Step 6: Final answer
    x = 19,940.95

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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.