Home / 27,761.50-38,329.35-16,434.64

Finding the Fourth Proportional to 27,761.50, 38,329.35 and 16,434.64

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Solution

The fourth proportional to 27,761.50, 38,329.35 and 16,434.64 is: 22,690.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,761.50 : 38,329.35 = 16,434.64 : x
  2. Step 2: Convert to fraction form
    27,761.50/38,329.35 = 16,434.64/x
  3. Step 3: Cross multiply
    27,761.50x = 38,329.35 × 16,434.64
  4. Step 4: Simplify right side
    27,761.50x = 629,929,068.68
  5. Step 5: Solve for x
    x = 629,929,068.68/27,761.50
  6. Step 6: Final answer
    x = 22,690.74

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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.