Home / 26,138.17-39,208.71-8,370.39

Finding the Fourth Proportional to 26,138.17, 39,208.71 and 8,370.39

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Solution

The fourth proportional to 26,138.17, 39,208.71 and 8,370.39 is: 12,556.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,138.17 : 39,208.71 = 8,370.39 : x
  2. Step 2: Convert to fraction form
    26,138.17/39,208.71 = 8,370.39/x
  3. Step 3: Cross multiply
    26,138.17x = 39,208.71 × 8,370.39
  4. Step 4: Simplify right side
    26,138.17x = 328,192,194.10
  5. Step 5: Solve for x
    x = 328,192,194.10/26,138.17
  6. Step 6: Final answer
    x = 12,556.05

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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.