Home / 27,659.16-38,174.31-16,331.49

Finding the Fourth Proportional to 27,659.16, 38,174.31 and 16,331.49

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Solution

The fourth proportional to 27,659.16, 38,174.31 and 16,331.49 is: 22,540.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,659.16 : 38,174.31 = 16,331.49 : x
  2. Step 2: Convert to fraction form
    27,659.16/38,174.31 = 16,331.49/x
  3. Step 3: Cross multiply
    27,659.16x = 38,174.31 × 16,331.49
  4. Step 4: Simplify right side
    27,659.16x = 623,443,362.02
  5. Step 5: Solve for x
    x = 623,443,362.02/27,659.16
  6. Step 6: Final answer
    x = 22,540.21

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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.