Home / 27,984.46-38,617.28-16,039.39

Finding the Fourth Proportional to 27,984.46, 38,617.28 and 16,039.39

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Solution

The fourth proportional to 27,984.46, 38,617.28 and 16,039.39 is: 22,133.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,984.46 : 38,617.28 = 16,039.39 : x
  2. Step 2: Convert to fraction form
    27,984.46/38,617.28 = 16,039.39/x
  3. Step 3: Cross multiply
    27,984.46x = 38,617.28 × 16,039.39
  4. Step 4: Simplify right side
    27,984.46x = 619,397,614.66
  5. Step 5: Solve for x
    x = 619,397,614.66/27,984.46
  6. Step 6: Final answer
    x = 22,133.63

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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.