Home / 26,187.09-39,299.66-19,630.95

Finding the Fourth Proportional to 26,187.09, 39,299.66 and 19,630.95

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Solution

The fourth proportional to 26,187.09, 39,299.66 and 19,630.95 is: 29,460.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,187.09 : 39,299.66 = 19,630.95 : x
  2. Step 2: Convert to fraction form
    26,187.09/39,299.66 = 19,630.95/x
  3. Step 3: Cross multiply
    26,187.09x = 39,299.66 × 19,630.95
  4. Step 4: Simplify right side
    26,187.09x = 771,489,660.48
  5. Step 5: Solve for x
    x = 771,489,660.48/26,187.09
  6. Step 6: Final answer
    x = 29,460.69

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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.