Home / 28,821.31-39,773.72-16,246.06

Finding the Fourth Proportional to 28,821.31, 39,773.72 and 16,246.06

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Solution

The fourth proportional to 28,821.31, 39,773.72 and 16,246.06 is: 22,419.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,821.31 : 39,773.72 = 16,246.06 : x
  2. Step 2: Convert to fraction form
    28,821.31/39,773.72 = 16,246.06/x
  3. Step 3: Cross multiply
    28,821.31x = 39,773.72 × 16,246.06
  4. Step 4: Simplify right side
    28,821.31x = 646,166,241.54
  5. Step 5: Solve for x
    x = 646,166,241.54/28,821.31
  6. Step 6: Final answer
    x = 22,419.74

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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.