Home / 28,229.40-42,324.12-14,179.32

Finding the Fourth Proportional to 28,229.40, 42,324.12 and 14,179.32

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Solution

The fourth proportional to 28,229.40, 42,324.12 and 14,179.32 is: 21,258.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,229.40 : 42,324.12 = 14,179.32 : x
  2. Step 2: Convert to fraction form
    28,229.40/42,324.12 = 14,179.32/x
  3. Step 3: Cross multiply
    28,229.40x = 42,324.12 × 14,179.32
  4. Step 4: Simplify right side
    28,229.40x = 600,127,241.20
  5. Step 5: Solve for x
    x = 600,127,241.20/28,229.40
  6. Step 6: Final answer
    x = 21,258.94

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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.