Home / 26,923.92-40,392.28-8,455.92

Finding the Fourth Proportional to 26,923.92, 40,392.28 and 8,455.92

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Solution

The fourth proportional to 26,923.92, 40,392.28 and 8,455.92 is: 12,685.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,923.92 : 40,392.28 = 8,455.92 : x
  2. Step 2: Convert to fraction form
    26,923.92/40,392.28 = 8,455.92/x
  3. Step 3: Cross multiply
    26,923.92x = 40,392.28 × 8,455.92
  4. Step 4: Simplify right side
    26,923.92x = 341,553,888.30
  5. Step 5: Solve for x
    x = 341,553,888.30/26,923.92
  6. Step 6: Final answer
    x = 12,685.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.