Home / 26,615.69-36,732.24-19,889.64

Finding the Fourth Proportional to 26,615.69, 36,732.24 and 19,889.64

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Solution

The fourth proportional to 26,615.69, 36,732.24 and 19,889.64 is: 27,449.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,615.69 : 36,732.24 = 19,889.64 : x
  2. Step 2: Convert to fraction form
    26,615.69/36,732.24 = 19,889.64/x
  3. Step 3: Cross multiply
    26,615.69x = 36,732.24 × 19,889.64
  4. Step 4: Simplify right side
    26,615.69x = 730,591,029.99
  5. Step 5: Solve for x
    x = 730,591,029.99/26,615.69
  6. Step 6: Final answer
    x = 27,449.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.