Home / 27,711.48-38,229.67-16,956.86

Finding the Fourth Proportional to 27,711.48, 38,229.67 and 16,956.86

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Solution

The fourth proportional to 27,711.48, 38,229.67 and 16,956.86 is: 23,393.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,711.48 : 38,229.67 = 16,956.86 : x
  2. Step 2: Convert to fraction form
    27,711.48/38,229.67 = 16,956.86/x
  3. Step 3: Cross multiply
    27,711.48x = 38,229.67 × 16,956.86
  4. Step 4: Simplify right side
    27,711.48x = 648,255,215.22
  5. Step 5: Solve for x
    x = 648,255,215.22/27,711.48
  6. Step 6: Final answer
    x = 23,393.02

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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.