Home / 26,422.40-39,634.56-21,797.12

Finding the Fourth Proportional to 26,422.40, 39,634.56 and 21,797.12

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Solution

The fourth proportional to 26,422.40, 39,634.56 and 21,797.12 is: 32,696.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,422.40 : 39,634.56 = 21,797.12 : x
  2. Step 2: Convert to fraction form
    26,422.40/39,634.56 = 21,797.12/x
  3. Step 3: Cross multiply
    26,422.40x = 39,634.56 × 21,797.12
  4. Step 4: Simplify right side
    26,422.40x = 863,919,260.47
  5. Step 5: Solve for x
    x = 863,919,260.47/26,422.40
  6. Step 6: Final answer
    x = 32,696.47

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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.