Home / 27,876.20-38,467.62-15,298.60

Finding the Fourth Proportional to 27,876.20, 38,467.62 and 15,298.60

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Solution

The fourth proportional to 27,876.20, 38,467.62 and 15,298.60 is: 21,111.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,876.20 : 38,467.62 = 15,298.60 : x
  2. Step 2: Convert to fraction form
    27,876.20/38,467.62 = 15,298.60/x
  3. Step 3: Cross multiply
    27,876.20x = 38,467.62 × 15,298.60
  4. Step 4: Simplify right side
    27,876.20x = 588,500,731.33
  5. Step 5: Solve for x
    x = 588,500,731.33/27,876.20
  6. Step 6: Final answer
    x = 21,111.23

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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.