Home / 26,215.97-39,308.96-12,168.77

Finding the Fourth Proportional to 26,215.97, 39,308.96 and 12,168.77

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Solution

The fourth proportional to 26,215.97, 39,308.96 and 12,168.77 is: 18,246.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,215.97 : 39,308.96 = 12,168.77 : x
  2. Step 2: Convert to fraction form
    26,215.97/39,308.96 = 12,168.77/x
  3. Step 3: Cross multiply
    26,215.97x = 39,308.96 × 12,168.77
  4. Step 4: Simplify right side
    26,215.97x = 478,341,435.79
  5. Step 5: Solve for x
    x = 478,341,435.79/26,215.97
  6. Step 6: Final answer
    x = 18,246.19

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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.