Home / 27,788.08-38,333.20-18,832.52

Finding the Fourth Proportional to 27,788.08, 38,333.20 and 18,832.52

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Solution

The fourth proportional to 27,788.08, 38,333.20 and 18,832.52 is: 25,979.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,788.08 : 38,333.20 = 18,832.52 : x
  2. Step 2: Convert to fraction form
    27,788.08/38,333.20 = 18,832.52/x
  3. Step 3: Cross multiply
    27,788.08x = 38,333.20 × 18,832.52
  4. Step 4: Simplify right side
    27,788.08x = 721,910,755.66
  5. Step 5: Solve for x
    x = 721,910,755.66/27,788.08
  6. Step 6: Final answer
    x = 25,979.15

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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.