Home / 21,821.92-32,658.36-13,498.36

Finding the Fourth Proportional to 21,821.92, 32,658.36 and 13,498.36

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Solution

The fourth proportional to 21,821.92, 32,658.36 and 13,498.36 is: 20,201.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,821.92 : 32,658.36 = 13,498.36 : x
  2. Step 2: Convert to fraction form
    21,821.92/32,658.36 = 13,498.36/x
  3. Step 3: Cross multiply
    21,821.92x = 32,658.36 × 13,498.36
  4. Step 4: Simplify right side
    21,821.92x = 440,834,300.29
  5. Step 5: Solve for x
    x = 440,834,300.29/21,821.92
  6. Step 6: Final answer
    x = 20,201.44

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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.