Home / 27,984.48-38,606.40-16,800

Finding the Fourth Proportional to 27,984.48, 38,606.40 and 16,800

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Solution

The fourth proportional to 27,984.48, 38,606.40 and 16,800 is: 23,176.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,984.48 : 38,606.40 = 16,800 : x
  2. Step 2: Convert to fraction form
    27,984.48/38,606.40 = 16,800/x
  3. Step 3: Cross multiply
    27,984.48x = 38,606.40 × 16,800
  4. Step 4: Simplify right side
    27,984.48x = 648,587,520
  5. Step 5: Solve for x
    x = 648,587,520/27,984.48
  6. Step 6: Final answer
    x = 23,176.69

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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.