Home / 21,498.80-32,248.20-16,833.20

Finding the Fourth Proportional to 21,498.80, 32,248.20 and 16,833.20

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Solution

The fourth proportional to 21,498.80, 32,248.20 and 16,833.20 is: 25,249.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,498.80 : 32,248.20 = 16,833.20 : x
  2. Step 2: Convert to fraction form
    21,498.80/32,248.20 = 16,833.20/x
  3. Step 3: Cross multiply
    21,498.80x = 32,248.20 × 16,833.20
  4. Step 4: Simplify right side
    21,498.80x = 542,840,400.24
  5. Step 5: Solve for x
    x = 542,840,400.24/21,498.80
  6. Step 6: Final answer
    x = 25,249.80

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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.