Home / 27,558.56-38,034.09-16,380.56

Finding the Fourth Proportional to 27,558.56, 38,034.09 and 16,380.56

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Solution

The fourth proportional to 27,558.56, 38,034.09 and 16,380.56 is: 22,607.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,558.56 : 38,034.09 = 16,380.56 : x
  2. Step 2: Convert to fraction form
    27,558.56/38,034.09 = 16,380.56/x
  3. Step 3: Cross multiply
    27,558.56x = 38,034.09 × 16,380.56
  4. Step 4: Simplify right side
    27,558.56x = 623,019,788.38
  5. Step 5: Solve for x
    x = 623,019,788.38/27,558.56
  6. Step 6: Final answer
    x = 22,607.12

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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.