Home / 27,865.92-38,456.16-16,685.76

Finding the Fourth Proportional to 27,865.92, 38,456.16 and 16,685.76

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Solution

The fourth proportional to 27,865.92, 38,456.16 and 16,685.76 is: 23,027.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,865.92 : 38,456.16 = 16,685.76 : x
  2. Step 2: Convert to fraction form
    27,865.92/38,456.16 = 16,685.76/x
  3. Step 3: Cross multiply
    27,865.92x = 38,456.16 × 16,685.76
  4. Step 4: Simplify right side
    27,865.92x = 641,670,256.28
  5. Step 5: Solve for x
    x = 641,670,256.28/27,865.92
  6. Step 6: Final answer
    x = 23,027.06

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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.