Home / 26,284.88-39,358.20-20,133.20

Finding the Fourth Proportional to 26,284.88, 39,358.20 and 20,133.20

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Solution

The fourth proportional to 26,284.88, 39,358.20 and 20,133.20 is: 30,146.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,284.88 : 39,358.20 = 20,133.20 : x
  2. Step 2: Convert to fraction form
    26,284.88/39,358.20 = 20,133.20/x
  3. Step 3: Cross multiply
    26,284.88x = 39,358.20 × 20,133.20
  4. Step 4: Simplify right side
    26,284.88x = 792,406,512.24
  5. Step 5: Solve for x
    x = 792,406,512.24/26,284.88
  6. Step 6: Final answer
    x = 30,146.86

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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.