Home / 31,615.20-43,629.30-17,275.44

Finding the Fourth Proportional to 31,615.20, 43,629.30 and 17,275.44

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Solution

The fourth proportional to 31,615.20, 43,629.30 and 17,275.44 is: 23,840.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,615.20 : 43,629.30 = 17,275.44 : x
  2. Step 2: Convert to fraction form
    31,615.20/43,629.30 = 17,275.44/x
  3. Step 3: Cross multiply
    31,615.20x = 43,629.30 × 17,275.44
  4. Step 4: Simplify right side
    31,615.20x = 753,715,354.39
  5. Step 5: Solve for x
    x = 753,715,354.39/31,615.20
  6. Step 6: Final answer
    x = 23,840.28

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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.