Home / 21,498.40-32,252.40-16,832.80

Finding the Fourth Proportional to 21,498.40, 32,252.40 and 16,832.80

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Solution

The fourth proportional to 21,498.40, 32,252.40 and 16,832.80 is: 25,252.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,498.40 : 32,252.40 = 16,832.80 : x
  2. Step 2: Convert to fraction form
    21,498.40/32,252.40 = 16,832.80/x
  3. Step 3: Cross multiply
    21,498.40x = 32,252.40 × 16,832.80
  4. Step 4: Simplify right side
    21,498.40x = 542,898,198.72
  5. Step 5: Solve for x
    x = 542,898,198.72/21,498.40
  6. Step 6: Final answer
    x = 25,252.96

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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.