Home / 21,536.70-32,270.94-16,618.38

Finding the Fourth Proportional to 21,536.70, 32,270.94 and 16,618.38

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Solution

The fourth proportional to 21,536.70, 32,270.94 and 16,618.38 is: 24,901.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,536.70 : 32,270.94 = 16,618.38 : x
  2. Step 2: Convert to fraction form
    21,536.70/32,270.94 = 16,618.38/x
  3. Step 3: Cross multiply
    21,536.70x = 32,270.94 × 16,618.38
  4. Step 4: Simplify right side
    21,536.70x = 536,290,743.88
  5. Step 5: Solve for x
    x = 536,290,743.88/21,536.70
  6. Step 6: Final answer
    x = 24,901.25

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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.