Home / 26,308.80-39,465.26-8,778.62

Finding the Fourth Proportional to 26,308.80, 39,465.26 and 8,778.62

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Solution

The fourth proportional to 26,308.80, 39,465.26 and 8,778.62 is: 13,168.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,308.80 : 39,465.26 = 8,778.62 : x
  2. Step 2: Convert to fraction form
    26,308.80/39,465.26 = 8,778.62/x
  3. Step 3: Cross multiply
    26,308.80x = 39,465.26 × 8,778.62
  4. Step 4: Simplify right side
    26,308.80x = 346,450,520.74
  5. Step 5: Solve for x
    x = 346,450,520.74/26,308.80
  6. Step 6: Final answer
    x = 13,168.62

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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.