Home / 21,394.62-29,506.65-16,029.66

Finding the Fourth Proportional to 21,394.62, 29,506.65 and 16,029.66

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Solution

The fourth proportional to 21,394.62, 29,506.65 and 16,029.66 is: 22,107.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,394.62 : 29,506.65 = 16,029.66 : x
  2. Step 2: Convert to fraction form
    21,394.62/29,506.65 = 16,029.66/x
  3. Step 3: Cross multiply
    21,394.62x = 29,506.65 × 16,029.66
  4. Step 4: Simplify right side
    21,394.62x = 472,981,567.24
  5. Step 5: Solve for x
    x = 472,981,567.24/21,394.62
  6. Step 6: Final answer
    x = 22,107.50

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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.