Home / 27,747.33-38,322.87-18,656.88

Finding the Fourth Proportional to 27,747.33, 38,322.87 and 18,656.88

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Solution

The fourth proportional to 27,747.33, 38,322.87 and 18,656.88 is: 25,767.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,747.33 : 38,322.87 = 18,656.88 : x
  2. Step 2: Convert to fraction form
    27,747.33/38,322.87 = 18,656.88/x
  3. Step 3: Cross multiply
    27,747.33x = 38,322.87 × 18,656.88
  4. Step 4: Simplify right side
    27,747.33x = 714,985,186.85
  5. Step 5: Solve for x
    x = 714,985,186.85/27,747.33
  6. Step 6: Final answer
    x = 25,767.71

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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.