Home / 27,800.51-38,365.34-16,469.82

Finding the Fourth Proportional to 27,800.51, 38,365.34 and 16,469.82

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Solution

The fourth proportional to 27,800.51, 38,365.34 and 16,469.82 is: 22,728.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,800.51 : 38,365.34 = 16,469.82 : x
  2. Step 2: Convert to fraction form
    27,800.51/38,365.34 = 16,469.82/x
  3. Step 3: Cross multiply
    27,800.51x = 38,365.34 × 16,469.82
  4. Step 4: Simplify right side
    27,800.51x = 631,870,161.69
  5. Step 5: Solve for x
    x = 631,870,161.69/27,800.51
  6. Step 6: Final answer
    x = 22,728.73

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1.5x scale

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.