Home / 26,118.03-39,179.78-8,587.86

Finding the Fourth Proportional to 26,118.03, 39,179.78 and 8,587.86

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Solution

The fourth proportional to 26,118.03, 39,179.78 and 8,587.86 is: 12,882.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,118.03 : 39,179.78 = 8,587.86 : x
  2. Step 2: Convert to fraction form
    26,118.03/39,179.78 = 8,587.86/x
  3. Step 3: Cross multiply
    26,118.03x = 39,179.78 × 8,587.86
  4. Step 4: Simplify right side
    26,118.03x = 336,470,465.47
  5. Step 5: Solve for x
    x = 336,470,465.47/26,118.03
  6. Step 6: Final answer
    x = 12,882.69

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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.