Home / 20,591.28-28,394.75-17,616.96

Finding the Fourth Proportional to 20,591.28, 28,394.75 and 17,616.96

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Solution

The fourth proportional to 20,591.28, 28,394.75 and 17,616.96 is: 24,293.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,591.28 : 28,394.75 = 17,616.96 : x
  2. Step 2: Convert to fraction form
    20,591.28/28,394.75 = 17,616.96/x
  3. Step 3: Cross multiply
    20,591.28x = 28,394.75 × 17,616.96
  4. Step 4: Simplify right side
    20,591.28x = 500,229,219.00
  5. Step 5: Solve for x
    x = 500,229,219.00/20,591.28
  6. Step 6: Final answer
    x = 24,293.26

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Half scale
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Similar ratio
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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.