Home / 29,268.88-40,385.94-16,691.20

Finding the Fourth Proportional to 29,268.88, 40,385.94 and 16,691.20

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Solution

The fourth proportional to 29,268.88, 40,385.94 and 16,691.20 is: 23,030.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,268.88 : 40,385.94 = 16,691.20 : x
  2. Step 2: Convert to fraction form
    29,268.88/40,385.94 = 16,691.20/x
  3. Step 3: Cross multiply
    29,268.88x = 40,385.94 × 16,691.20
  4. Step 4: Simplify right side
    29,268.88x = 674,089,801.73
  5. Step 5: Solve for x
    x = 674,089,801.73/29,268.88
  6. Step 6: Final answer
    x = 23,030.94

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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.