Home / 20,563.20-30,799.44-16,649.28

Finding the Fourth Proportional to 20,563.20, 30,799.44 and 16,649.28

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Solution

The fourth proportional to 20,563.20, 30,799.44 and 16,649.28 is: 24,937.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,563.20 : 30,799.44 = 16,649.28 : x
  2. Step 2: Convert to fraction form
    20,563.20/30,799.44 = 16,649.28/x
  3. Step 3: Cross multiply
    20,563.20x = 30,799.44 × 16,649.28
  4. Step 4: Simplify right side
    20,563.20x = 512,788,500.40
  5. Step 5: Solve for x
    x = 512,788,500.40/20,563.20
  6. Step 6: Final answer
    x = 24,937.19

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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.