Home / 27,794.96-38,356.77-15,047.81

Finding the Fourth Proportional to 27,794.96, 38,356.77 and 15,047.81

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Solution

The fourth proportional to 27,794.96, 38,356.77 and 15,047.81 is: 20,765.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,794.96 : 38,356.77 = 15,047.81 : x
  2. Step 2: Convert to fraction form
    27,794.96/38,356.77 = 15,047.81/x
  3. Step 3: Cross multiply
    27,794.96x = 38,356.77 × 15,047.81
  4. Step 4: Simplify right side
    27,794.96x = 577,185,195.39
  5. Step 5: Solve for x
    x = 577,185,195.39/27,794.96
  6. Step 6: Final answer
    x = 20,765.82

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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.