Home / 27,976.40-38,607.48-15,229.52

Finding the Fourth Proportional to 27,976.40, 38,607.48 and 15,229.52

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Solution

The fourth proportional to 27,976.40, 38,607.48 and 15,229.52 is: 21,016.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,976.40 : 38,607.48 = 15,229.52 : x
  2. Step 2: Convert to fraction form
    27,976.40/38,607.48 = 15,229.52/x
  3. Step 3: Cross multiply
    27,976.40x = 38,607.48 × 15,229.52
  4. Step 4: Simplify right side
    27,976.40x = 587,973,388.81
  5. Step 5: Solve for x
    x = 587,973,388.81/27,976.40
  6. Step 6: Final answer
    x = 21,016.76

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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.