Home / 28,175.34-38,882.52-16,236.66

Finding the Fourth Proportional to 28,175.34, 38,882.52 and 16,236.66

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Solution

The fourth proportional to 28,175.34, 38,882.52 and 16,236.66 is: 22,406.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,175.34 : 38,882.52 = 16,236.66 : x
  2. Step 2: Convert to fraction form
    28,175.34/38,882.52 = 16,236.66/x
  3. Step 3: Cross multiply
    28,175.34x = 38,882.52 × 16,236.66
  4. Step 4: Simplify right side
    28,175.34x = 631,322,257.18
  5. Step 5: Solve for x
    x = 631,322,257.18/28,175.34
  6. Step 6: Final answer
    x = 22,406.91

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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.