Home / 27,872.56-38,461.62-16,540.12

Finding the Fourth Proportional to 27,872.56, 38,461.62 and 16,540.12

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Solution

The fourth proportional to 27,872.56, 38,461.62 and 16,540.12 is: 22,823.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,872.56 : 38,461.62 = 16,540.12 : x
  2. Step 2: Convert to fraction form
    27,872.56/38,461.62 = 16,540.12/x
  3. Step 3: Cross multiply
    27,872.56x = 38,461.62 × 16,540.12
  4. Step 4: Simplify right side
    27,872.56x = 636,159,810.19
  5. Step 5: Solve for x
    x = 636,159,810.19/27,872.56
  6. Step 6: Final answer
    x = 22,823.87

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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.