Home / 21,614.45-29,590.21-21,468.65

Finding the Fourth Proportional to 21,614.45, 29,590.21 and 21,468.65

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Solution

The fourth proportional to 21,614.45, 29,590.21 and 21,468.65 is: 29,390.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,614.45 : 29,590.21 = 21,468.65 : x
  2. Step 2: Convert to fraction form
    21,614.45/29,590.21 = 21,468.65/x
  3. Step 3: Cross multiply
    21,614.45x = 29,590.21 × 21,468.65
  4. Step 4: Simplify right side
    21,614.45x = 635,261,740.80
  5. Step 5: Solve for x
    x = 635,261,740.80/21,614.45
  6. Step 6: Final answer
    x = 29,390.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.