Home / 27,948.70-41,955.45-16,867.90

Finding the Fourth Proportional to 27,948.70, 41,955.45 and 16,867.90

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Solution

The fourth proportional to 27,948.70, 41,955.45 and 16,867.90 is: 25,321.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,948.70 : 41,955.45 = 16,867.90 : x
  2. Step 2: Convert to fraction form
    27,948.70/41,955.45 = 16,867.90/x
  3. Step 3: Cross multiply
    27,948.70x = 41,955.45 × 16,867.90
  4. Step 4: Simplify right side
    27,948.70x = 707,700,335.06
  5. Step 5: Solve for x
    x = 707,700,335.06/27,948.70
  6. Step 6: Final answer
    x = 25,321.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.