Home / 27,948.66-38,568.76-15,201.56

Finding the Fourth Proportional to 27,948.66, 38,568.76 and 15,201.56

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Solution

The fourth proportional to 27,948.66, 38,568.76 and 15,201.56 is: 20,977.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,948.66 : 38,568.76 = 15,201.56 : x
  2. Step 2: Convert to fraction form
    27,948.66/38,568.76 = 15,201.56/x
  3. Step 3: Cross multiply
    27,948.66x = 38,568.76 × 15,201.56
  4. Step 4: Simplify right side
    27,948.66x = 586,305,319.27
  5. Step 5: Solve for x
    x = 586,305,319.27/27,948.66
  6. Step 6: Final answer
    x = 20,977.94

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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.