Home / 27,818.26-38,388.27-16,487.86

Finding the Fourth Proportional to 27,818.26, 38,388.27 and 16,487.86

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Solution

The fourth proportional to 27,818.26, 38,388.27 and 16,487.86 is: 22,752.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,818.26 : 38,388.27 = 16,487.86 : x
  2. Step 2: Convert to fraction form
    27,818.26/38,388.27 = 16,487.86/x
  3. Step 3: Cross multiply
    27,818.26x = 38,388.27 × 16,487.86
  4. Step 4: Simplify right side
    27,818.26x = 632,940,421.40
  5. Step 5: Solve for x
    x = 632,940,421.40/27,818.26
  6. Step 6: Final answer
    x = 22,752.70

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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.