Home / 31,540.64-43,525.84-17,201.28

Finding the Fourth Proportional to 31,540.64, 43,525.84 and 17,201.28

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Solution

The fourth proportional to 31,540.64, 43,525.84 and 17,201.28 is: 23,737.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,540.64 : 43,525.84 = 17,201.28 : x
  2. Step 2: Convert to fraction form
    31,540.64/43,525.84 = 17,201.28/x
  3. Step 3: Cross multiply
    31,540.64x = 43,525.84 × 17,201.28
  4. Step 4: Simplify right side
    31,540.64x = 748,700,161.08
  5. Step 5: Solve for x
    x = 748,700,161.08/31,540.64
  6. Step 6: Final answer
    x = 23,737.63

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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.