Home / 20,512.74-30,829.56-17,025.08

Finding the Fourth Proportional to 20,512.74, 30,829.56 and 17,025.08

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Solution

The fourth proportional to 20,512.74, 30,829.56 and 17,025.08 is: 25,587.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,512.74 : 30,829.56 = 17,025.08 : x
  2. Step 2: Convert to fraction form
    20,512.74/30,829.56 = 17,025.08/x
  3. Step 3: Cross multiply
    20,512.74x = 30,829.56 × 17,025.08
  4. Step 4: Simplify right side
    20,512.74x = 524,875,640.24
  5. Step 5: Solve for x
    x = 524,875,640.24/20,512.74
  6. Step 6: Final answer
    x = 25,587.79

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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.