Home / 22,928.57-31,631.39-16,219.94

Finding the Fourth Proportional to 22,928.57, 31,631.39 and 16,219.94

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Solution

The fourth proportional to 22,928.57, 31,631.39 and 16,219.94 is: 22,376.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,928.57 : 31,631.39 = 16,219.94 : x
  2. Step 2: Convert to fraction form
    22,928.57/31,631.39 = 16,219.94/x
  3. Step 3: Cross multiply
    22,928.57x = 31,631.39 × 16,219.94
  4. Step 4: Simplify right side
    22,928.57x = 513,059,247.92
  5. Step 5: Solve for x
    x = 513,059,247.92/22,928.57
  6. Step 6: Final answer
    x = 22,376.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.