Home / 27,631.35-38,128.99-16,301.33

Finding the Fourth Proportional to 27,631.35, 38,128.99 and 16,301.33

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Solution

The fourth proportional to 27,631.35, 38,128.99 and 16,301.33 is: 22,494.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,631.35 : 38,128.99 = 16,301.33 : x
  2. Step 2: Convert to fraction form
    27,631.35/38,128.99 = 16,301.33/x
  3. Step 3: Cross multiply
    27,631.35x = 38,128.99 × 16,301.33
  4. Step 4: Simplify right side
    27,631.35x = 621,553,248.56
  5. Step 5: Solve for x
    x = 621,553,248.56/27,631.35
  6. Step 6: Final answer
    x = 22,494.49

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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.