Home / 26,987.39-40,483.78-8,267.21

Finding the Fourth Proportional to 26,987.39, 40,483.78 and 8,267.21

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Solution

The fourth proportional to 26,987.39, 40,483.78 and 8,267.21 is: 12,401.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,987.39 : 40,483.78 = 8,267.21 : x
  2. Step 2: Convert to fraction form
    26,987.39/40,483.78 = 8,267.21/x
  3. Step 3: Cross multiply
    26,987.39x = 40,483.78 × 8,267.21
  4. Step 4: Simplify right side
    26,987.39x = 334,687,910.85
  5. Step 5: Solve for x
    x = 334,687,910.85/26,987.39
  6. Step 6: Final answer
    x = 12,401.64

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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.