Home / 27,556.08-38,027.82-14,980.88

Finding the Fourth Proportional to 27,556.08, 38,027.82 and 14,980.88

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Solution

The fourth proportional to 27,556.08, 38,027.82 and 14,980.88 is: 20,673.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,556.08 : 38,027.82 = 14,980.88 : x
  2. Step 2: Convert to fraction form
    27,556.08/38,027.82 = 14,980.88/x
  3. Step 3: Cross multiply
    27,556.08x = 38,027.82 × 14,980.88
  4. Step 4: Simplify right side
    27,556.08x = 569,690,208.08
  5. Step 5: Solve for x
    x = 569,690,208.08/27,556.08
  6. Step 6: Final answer
    x = 20,673.85

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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.