Home / 26,078.05-39,117.74-8,308.42

Finding the Fourth Proportional to 26,078.05, 39,117.74 and 8,308.42

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Solution

The fourth proportional to 26,078.05, 39,117.74 and 8,308.42 is: 12,462.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,078.05 : 39,117.74 = 8,308.42 : x
  2. Step 2: Convert to fraction form
    26,078.05/39,117.74 = 8,308.42/x
  3. Step 3: Cross multiply
    26,078.05x = 39,117.74 × 8,308.42
  4. Step 4: Simplify right side
    26,078.05x = 325,006,694.07
  5. Step 5: Solve for x
    x = 325,006,694.07/26,078.05
  6. Step 6: Final answer
    x = 12,462.84

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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.