Home / 27,765.38-38,316.65-16,434.56

Finding the Fourth Proportional to 27,765.38, 38,316.65 and 16,434.56

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Solution

The fourth proportional to 27,765.38, 38,316.65 and 16,434.56 is: 22,679.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,765.38 : 38,316.65 = 16,434.56 : x
  2. Step 2: Convert to fraction form
    27,765.38/38,316.65 = 16,434.56/x
  3. Step 3: Cross multiply
    27,765.38x = 38,316.65 × 16,434.56
  4. Step 4: Simplify right side
    27,765.38x = 629,717,297.04
  5. Step 5: Solve for x
    x = 629,717,297.04/27,765.38
  6. Step 6: Final answer
    x = 22,679.94

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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.