Home / 24,427.15-33,649.13-20,830.39

Finding the Fourth Proportional to 24,427.15, 33,649.13 and 20,830.39

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Solution

The fourth proportional to 24,427.15, 33,649.13 and 20,830.39 is: 28,694.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,427.15 : 33,649.13 = 20,830.39 : x
  2. Step 2: Convert to fraction form
    24,427.15/33,649.13 = 20,830.39/x
  3. Step 3: Cross multiply
    24,427.15x = 33,649.13 × 20,830.39
  4. Step 4: Simplify right side
    24,427.15x = 700,924,469.01
  5. Step 5: Solve for x
    x = 700,924,469.01/24,427.15
  6. Step 6: Final answer
    x = 28,694.49

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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.