Home / 31,628.15-43,646.97-17,288.27

Finding the Fourth Proportional to 31,628.15, 43,646.97 and 17,288.27

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Solution

The fourth proportional to 31,628.15, 43,646.97 and 17,288.27 is: 23,857.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,628.15 : 43,646.97 = 17,288.27 : x
  2. Step 2: Convert to fraction form
    31,628.15/43,646.97 = 17,288.27/x
  3. Step 3: Cross multiply
    31,628.15x = 43,646.97 × 17,288.27
  4. Step 4: Simplify right side
    31,628.15x = 754,580,602.04
  5. Step 5: Solve for x
    x = 754,580,602.04/31,628.15
  6. Step 6: Final answer
    x = 23,857.88

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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.