Home / 26,115.88-39,165.51-8,581.66

Finding the Fourth Proportional to 26,115.88, 39,165.51 and 8,581.66

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Solution

The fourth proportional to 26,115.88, 39,165.51 and 8,581.66 is: 12,869.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,115.88 : 39,165.51 = 8,581.66 : x
  2. Step 2: Convert to fraction form
    26,115.88/39,165.51 = 8,581.66/x
  3. Step 3: Cross multiply
    26,115.88x = 39,165.51 × 8,581.66
  4. Step 4: Simplify right side
    26,115.88x = 336,105,090.55
  5. Step 5: Solve for x
    x = 336,105,090.55/26,115.88
  6. Step 6: Final answer
    x = 12,869.76

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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.