Home / 27,330.45-40,995.68-15,635.47

Finding the Fourth Proportional to 27,330.45, 40,995.68 and 15,635.47

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Solution

The fourth proportional to 27,330.45, 40,995.68 and 15,635.47 is: 23,453.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,330.45 : 40,995.68 = 15,635.47 : x
  2. Step 2: Convert to fraction form
    27,330.45/40,995.68 = 15,635.47/x
  3. Step 3: Cross multiply
    27,330.45x = 40,995.68 × 15,635.47
  4. Step 4: Simplify right side
    27,330.45x = 640,986,724.77
  5. Step 5: Solve for x
    x = 640,986,724.77/27,330.45
  6. Step 6: Final answer
    x = 23,453.21

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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.