Home / 31,628.68-43,612.26-25,868.20

Finding the Fourth Proportional to 31,628.68, 43,612.26 and 25,868.20

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Solution

The fourth proportional to 31,628.68, 43,612.26 and 25,868.20 is: 35,669.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,628.68 : 43,612.26 = 25,868.20 : x
  2. Step 2: Convert to fraction form
    31,628.68/43,612.26 = 25,868.20/x
  3. Step 3: Cross multiply
    31,628.68x = 43,612.26 × 25,868.20
  4. Step 4: Simplify right side
    31,628.68x = 1,128,170,664.13
  5. Step 5: Solve for x
    x = 1,128,170,664.13/31,628.68
  6. Step 6: Final answer
    x = 35,669.23

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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.