Home / 26,496.69-39,708.11-19,915.20

Finding the Fourth Proportional to 26,496.69, 39,708.11 and 19,915.20

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Solution

The fourth proportional to 26,496.69, 39,708.11 and 19,915.20 is: 29,845.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,496.69 : 39,708.11 = 19,915.20 : x
  2. Step 2: Convert to fraction form
    26,496.69/39,708.11 = 19,915.20/x
  3. Step 3: Cross multiply
    26,496.69x = 39,708.11 × 19,915.20
  4. Step 4: Simplify right side
    26,496.69x = 790,794,753.73
  5. Step 5: Solve for x
    x = 790,794,753.73/26,496.69
  6. Step 6: Final answer
    x = 29,845.04

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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.