Home / 36,008.88-49,684.32-20,892.78

Finding the Fourth Proportional to 36,008.88, 49,684.32 and 20,892.78

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Solution

The fourth proportional to 36,008.88, 49,684.32 and 20,892.78 is: 28,827.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,008.88 : 49,684.32 = 20,892.78 : x
  2. Step 2: Convert to fraction form
    36,008.88/49,684.32 = 20,892.78/x
  3. Step 3: Cross multiply
    36,008.88x = 49,684.32 × 20,892.78
  4. Step 4: Simplify right side
    36,008.88x = 1,038,043,567.21
  5. Step 5: Solve for x
    x = 1,038,043,567.21/36,008.88
  6. Step 6: Final answer
    x = 28,827.43

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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.