Home / 28,025.10-41,989.05-18,159.30

Finding the Fourth Proportional to 28,025.10, 41,989.05 and 18,159.30

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Solution

The fourth proportional to 28,025.10, 41,989.05 and 18,159.30 is: 27,207.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,025.10 : 41,989.05 = 18,159.30 : x
  2. Step 2: Convert to fraction form
    28,025.10/41,989.05 = 18,159.30/x
  3. Step 3: Cross multiply
    28,025.10x = 41,989.05 × 18,159.30
  4. Step 4: Simplify right side
    28,025.10x = 762,491,755.67
  5. Step 5: Solve for x
    x = 762,491,755.67/28,025.10
  6. Step 6: Final answer
    x = 27,207.46

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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.