Home / 28,076.66-38,741.38-16,137.77

Finding the Fourth Proportional to 28,076.66, 38,741.38 and 16,137.77

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Solution

The fourth proportional to 28,076.66, 38,741.38 and 16,137.77 is: 22,267.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,076.66 : 38,741.38 = 16,137.77 : x
  2. Step 2: Convert to fraction form
    28,076.66/38,741.38 = 16,137.77/x
  3. Step 3: Cross multiply
    28,076.66x = 38,741.38 × 16,137.77
  4. Step 4: Simplify right side
    28,076.66x = 625,199,479.92
  5. Step 5: Solve for x
    x = 625,199,479.92/28,076.66
  6. Step 6: Final answer
    x = 22,267.59

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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.