Home / 17,478.28-26,217.42-4,998.21

Finding the Fourth Proportional to 17,478.28, 26,217.42 and 4,998.21

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Solution

The fourth proportional to 17,478.28, 26,217.42 and 4,998.21 is: 7,497.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,478.28 : 26,217.42 = 4,998.21 : x
  2. Step 2: Convert to fraction form
    17,478.28/26,217.42 = 4,998.21/x
  3. Step 3: Cross multiply
    17,478.28x = 26,217.42 × 4,998.21
  4. Step 4: Simplify right side
    17,478.28x = 131,040,014.74
  5. Step 5: Solve for x
    x = 131,040,014.74/17,478.28
  6. Step 6: Final answer
    x = 7,497.31

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.