Home / 21,521.70-32,248.44-16,603.38

Finding the Fourth Proportional to 21,521.70, 32,248.44 and 16,603.38

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Solution

The fourth proportional to 21,521.70, 32,248.44 and 16,603.38 is: 24,878.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,521.70 : 32,248.44 = 16,603.38 : x
  2. Step 2: Convert to fraction form
    21,521.70/32,248.44 = 16,603.38/x
  3. Step 3: Cross multiply
    21,521.70x = 32,248.44 × 16,603.38
  4. Step 4: Simplify right side
    21,521.70x = 535,433,103.73
  5. Step 5: Solve for x
    x = 535,433,103.73/21,521.70
  6. Step 6: Final answer
    x = 24,878.76

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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.