Home / 20,601.32-28,425.63-12,104.82

Finding the Fourth Proportional to 20,601.32, 28,425.63 and 12,104.82

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Solution

The fourth proportional to 20,601.32, 28,425.63 and 12,104.82 is: 16,702.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,601.32 : 28,425.63 = 12,104.82 : x
  2. Step 2: Convert to fraction form
    20,601.32/28,425.63 = 12,104.82/x
  3. Step 3: Cross multiply
    20,601.32x = 28,425.63 × 12,104.82
  4. Step 4: Simplify right side
    20,601.32x = 344,087,134.54
  5. Step 5: Solve for x
    x = 344,087,134.54/20,601.32
  6. Step 6: Final answer
    x = 16,702.19

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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.