Home / 19,487.92-26,882.62-11,528.61

Finding the Fourth Proportional to 19,487.92, 26,882.62 and 11,528.61

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Solution

The fourth proportional to 19,487.92, 26,882.62 and 11,528.61 is: 15,903.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,487.92 : 26,882.62 = 11,528.61 : x
  2. Step 2: Convert to fraction form
    19,487.92/26,882.62 = 11,528.61/x
  3. Step 3: Cross multiply
    19,487.92x = 26,882.62 × 11,528.61
  4. Step 4: Simplify right side
    19,487.92x = 309,919,241.76
  5. Step 5: Solve for x
    x = 309,919,241.76/19,487.92
  6. Step 6: Final answer
    x = 15,903.15

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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.