Home / 20,434.45-28,202.88-17,026.05

Finding the Fourth Proportional to 20,434.45, 28,202.88 and 17,026.05

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Solution

The fourth proportional to 20,434.45, 28,202.88 and 17,026.05 is: 23,498.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,434.45 : 28,202.88 = 17,026.05 : x
  2. Step 2: Convert to fraction form
    20,434.45/28,202.88 = 17,026.05/x
  3. Step 3: Cross multiply
    20,434.45x = 28,202.88 × 17,026.05
  4. Step 4: Simplify right side
    20,434.45x = 480,183,645.02
  5. Step 5: Solve for x
    x = 480,183,645.02/20,434.45
  6. Step 6: Final answer
    x = 23,498.73

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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.