Home / 28,179.70-42,269.65-22,889.79

Finding the Fourth Proportional to 28,179.70, 42,269.65 and 22,889.79

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Solution

The fourth proportional to 28,179.70, 42,269.65 and 22,889.79 is: 34,334.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,179.70 : 42,269.65 = 22,889.79 : x
  2. Step 2: Convert to fraction form
    28,179.70/42,269.65 = 22,889.79/x
  3. Step 3: Cross multiply
    28,179.70x = 42,269.65 × 22,889.79
  4. Step 4: Simplify right side
    28,179.70x = 967,543,354.65
  5. Step 5: Solve for x
    x = 967,543,354.65/28,179.70
  6. Step 6: Final answer
    x = 34,334.77

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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.