Home / 21,283.62-31,944.87-16,337.22

Finding the Fourth Proportional to 21,283.62, 31,944.87 and 16,337.22

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Solution

The fourth proportional to 21,283.62, 31,944.87 and 16,337.22 is: 24,520.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,283.62 : 31,944.87 = 16,337.22 : x
  2. Step 2: Convert to fraction form
    21,283.62/31,944.87 = 16,337.22/x
  3. Step 3: Cross multiply
    21,283.62x = 31,944.87 × 16,337.22
  4. Step 4: Simplify right side
    21,283.62x = 521,890,369.06
  5. Step 5: Solve for x
    x = 521,890,369.06/21,283.62
  6. Step 6: Final answer
    x = 24,520.75

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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.