Home / 27,951.34-38,581.08-16,628.86

Finding the Fourth Proportional to 27,951.34, 38,581.08 and 16,628.86

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Solution

The fourth proportional to 27,951.34, 38,581.08 and 16,628.86 is: 22,952.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,951.34 : 38,581.08 = 16,628.86 : x
  2. Step 2: Convert to fraction form
    27,951.34/38,581.08 = 16,628.86/x
  3. Step 3: Cross multiply
    27,951.34x = 38,581.08 × 16,628.86
  4. Step 4: Simplify right side
    27,951.34x = 641,559,377.97
  5. Step 5: Solve for x
    x = 641,559,377.97/27,951.34
  6. Step 6: Final answer
    x = 22,952.72

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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.