Home / 19,726.20-29,589.30-16,615.80

Finding the Fourth Proportional to 19,726.20, 29,589.30 and 16,615.80

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Solution

The fourth proportional to 19,726.20, 29,589.30 and 16,615.80 is: 24,923.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,726.20 : 29,589.30 = 16,615.80 : x
  2. Step 2: Convert to fraction form
    19,726.20/29,589.30 = 16,615.80/x
  3. Step 3: Cross multiply
    19,726.20x = 29,589.30 × 16,615.80
  4. Step 4: Simplify right side
    19,726.20x = 491,649,890.94
  5. Step 5: Solve for x
    x = 491,649,890.94/19,726.20
  6. Step 6: Final answer
    x = 24,923.70

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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.