Home / 27,928.67-38,541.92-15,182.10

Finding the Fourth Proportional to 27,928.67, 38,541.92 and 15,182.10

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Solution

The fourth proportional to 27,928.67, 38,541.92 and 15,182.10 is: 20,951.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,928.67 : 38,541.92 = 15,182.10 : x
  2. Step 2: Convert to fraction form
    27,928.67/38,541.92 = 15,182.10/x
  3. Step 3: Cross multiply
    27,928.67x = 38,541.92 × 15,182.10
  4. Step 4: Simplify right side
    27,928.67x = 585,147,207.72
  5. Step 5: Solve for x
    x = 585,147,207.72/27,928.67
  6. Step 6: Final answer
    x = 20,951.49

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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.