Home / 27,945.21-38,564.65-15,198.52

Finding the Fourth Proportional to 27,945.21, 38,564.65 and 15,198.52

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Solution

The fourth proportional to 27,945.21, 38,564.65 and 15,198.52 is: 20,974.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,945.21 : 38,564.65 = 15,198.52 : x
  2. Step 2: Convert to fraction form
    27,945.21/38,564.65 = 15,198.52/x
  3. Step 3: Cross multiply
    27,945.21x = 38,564.65 × 15,198.52
  4. Step 4: Simplify right side
    27,945.21x = 586,125,604.32
  5. Step 5: Solve for x
    x = 586,125,604.32/27,945.21
  6. Step 6: Final answer
    x = 20,974.10

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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.