Home / 20,922.44-31,344.08-16,219.40

Finding the Fourth Proportional to 20,922.44, 31,344.08 and 16,219.40

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Solution

The fourth proportional to 20,922.44, 31,344.08 and 16,219.40 is: 24,298.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,922.44 : 31,344.08 = 16,219.40 : x
  2. Step 2: Convert to fraction form
    20,922.44/31,344.08 = 16,219.40/x
  3. Step 3: Cross multiply
    20,922.44x = 31,344.08 × 16,219.40
  4. Step 4: Simplify right side
    20,922.44x = 508,382,171.15
  5. Step 5: Solve for x
    x = 508,382,171.15/20,922.44
  6. Step 6: Final answer
    x = 24,298.42

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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.