Home / 19,221.84-28,837.62-5,370.84

Finding the Fourth Proportional to 19,221.84, 28,837.62 and 5,370.84

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Solution

The fourth proportional to 19,221.84, 28,837.62 and 5,370.84 is: 8,057.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,221.84 : 28,837.62 = 5,370.84 : x
  2. Step 2: Convert to fraction form
    19,221.84/28,837.62 = 5,370.84/x
  3. Step 3: Cross multiply
    19,221.84x = 28,837.62 × 5,370.84
  4. Step 4: Simplify right side
    19,221.84x = 154,882,243.00
  5. Step 5: Solve for x
    x = 154,882,243.00/19,221.84
  6. Step 6: Final answer
    x = 8,057.62

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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.