Home / 28,334.73-42,502.17-13,540.28

Finding the Fourth Proportional to 28,334.73, 42,502.17 and 13,540.28

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Solution

The fourth proportional to 28,334.73, 42,502.17 and 13,540.28 is: 20,310.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,334.73 : 42,502.17 = 13,540.28 : x
  2. Step 2: Convert to fraction form
    28,334.73/42,502.17 = 13,540.28/x
  3. Step 3: Cross multiply
    28,334.73x = 42,502.17 × 13,540.28
  4. Step 4: Simplify right side
    28,334.73x = 575,491,283.58
  5. Step 5: Solve for x
    x = 575,491,283.58/28,334.73
  6. Step 6: Final answer
    x = 20,310.46

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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.