Home / 21,669.91-29,884.47-16,634.35

Finding the Fourth Proportional to 21,669.91, 29,884.47 and 16,634.35

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Solution

The fourth proportional to 21,669.91, 29,884.47 and 16,634.35 is: 22,940.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,669.91 : 29,884.47 = 16,634.35 : x
  2. Step 2: Convert to fraction form
    21,669.91/29,884.47 = 16,634.35/x
  3. Step 3: Cross multiply
    21,669.91x = 29,884.47 × 16,634.35
  4. Step 4: Simplify right side
    21,669.91x = 497,108,540.42
  5. Step 5: Solve for x
    x = 497,108,540.42/21,669.91
  6. Step 6: Final answer
    x = 22,940.03

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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.