Home / 27,871.56-38,460.24-16,539.12

Finding the Fourth Proportional to 27,871.56, 38,460.24 and 16,539.12

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Solution

The fourth proportional to 27,871.56, 38,460.24 and 16,539.12 is: 22,822.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,871.56 : 38,460.24 = 16,539.12 : x
  2. Step 2: Convert to fraction form
    27,871.56/38,460.24 = 16,539.12/x
  3. Step 3: Cross multiply
    27,871.56x = 38,460.24 × 16,539.12
  4. Step 4: Simplify right side
    27,871.56x = 636,098,524.59
  5. Step 5: Solve for x
    x = 636,098,524.59/27,871.56
  6. Step 6: Final answer
    x = 22,822.49

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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.