Home / 27,638.73-38,102.81-23,372.66

Finding the Fourth Proportional to 27,638.73, 38,102.81 and 23,372.66

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Solution

The fourth proportional to 27,638.73, 38,102.81 and 23,372.66 is: 32,221.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,638.73 : 38,102.81 = 23,372.66 : x
  2. Step 2: Convert to fraction form
    27,638.73/38,102.81 = 23,372.66/x
  3. Step 3: Cross multiply
    27,638.73x = 38,102.81 × 23,372.66
  4. Step 4: Simplify right side
    27,638.73x = 890,563,715.80
  5. Step 5: Solve for x
    x = 890,563,715.80/27,638.73
  6. Step 6: Final answer
    x = 32,221.59

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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.