Home / 26,473.20-39,709.78-8,005.20

Finding the Fourth Proportional to 26,473.20, 39,709.78 and 8,005.20

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Solution

The fourth proportional to 26,473.20, 39,709.78 and 8,005.20 is: 12,007.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,473.20 : 39,709.78 = 8,005.20 : x
  2. Step 2: Convert to fraction form
    26,473.20/39,709.78 = 8,005.20/x
  3. Step 3: Cross multiply
    26,473.20x = 39,709.78 × 8,005.20
  4. Step 4: Simplify right side
    26,473.20x = 317,884,730.86
  5. Step 5: Solve for x
    x = 317,884,730.86/26,473.20
  6. Step 6: Final answer
    x = 12,007.79

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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.