Home / 27,789.09-38,346.48-16,456.53

Finding the Fourth Proportional to 27,789.09, 38,346.48 and 16,456.53

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Solution

The fourth proportional to 27,789.09, 38,346.48 and 16,456.53 is: 22,708.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,789.09 : 38,346.48 = 16,456.53 : x
  2. Step 2: Convert to fraction form
    27,789.09/38,346.48 = 16,456.53/x
  3. Step 3: Cross multiply
    27,789.09x = 38,346.48 × 16,456.53
  4. Step 4: Simplify right side
    27,789.09x = 631,049,998.51
  5. Step 5: Solve for x
    x = 631,049,998.51/27,789.09
  6. Step 6: Final answer
    x = 22,708.55

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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.