Home / 27,949.48-38,568.56-15,202.55

Finding the Fourth Proportional to 27,949.48, 38,568.56 and 15,202.55

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Solution

The fourth proportional to 27,949.48, 38,568.56 and 15,202.55 is: 20,978.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,949.48 : 38,568.56 = 15,202.55 : x
  2. Step 2: Convert to fraction form
    27,949.48/38,568.56 = 15,202.55/x
  3. Step 3: Cross multiply
    27,949.48x = 38,568.56 × 15,202.55
  4. Step 4: Simplify right side
    27,949.48x = 586,340,587.64
  5. Step 5: Solve for x
    x = 586,340,587.64/27,949.48
  6. Step 6: Final answer
    x = 20,978.59

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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.