Home / 29,229.54-40,327.20-17,887.21

Finding the Fourth Proportional to 29,229.54, 40,327.20 and 17,887.21

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Solution

The fourth proportional to 29,229.54, 40,327.20 and 17,887.21 is: 24,678.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,229.54 : 40,327.20 = 17,887.21 : x
  2. Step 2: Convert to fraction form
    29,229.54/40,327.20 = 17,887.21/x
  3. Step 3: Cross multiply
    29,229.54x = 40,327.20 × 17,887.21
  4. Step 4: Simplify right side
    29,229.54x = 721,340,994.29
  5. Step 5: Solve for x
    x = 721,340,994.29/29,229.54
  6. Step 6: Final answer
    x = 24,678.50

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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.