Home / 22,121.65-33,102.60-19,038.84

Finding the Fourth Proportional to 22,121.65, 33,102.60 and 19,038.84

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Solution

The fourth proportional to 22,121.65, 33,102.60 and 19,038.84 is: 28,489.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,121.65 : 33,102.60 = 19,038.84 : x
  2. Step 2: Convert to fraction form
    22,121.65/33,102.60 = 19,038.84/x
  3. Step 3: Cross multiply
    22,121.65x = 33,102.60 × 19,038.84
  4. Step 4: Simplify right side
    22,121.65x = 630,235,104.98
  5. Step 5: Solve for x
    x = 630,235,104.98/22,121.65
  6. Step 6: Final answer
    x = 28,489.52

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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.