Home / 28,838.41-43,257.35-9,116.97

Finding the Fourth Proportional to 28,838.41, 43,257.35 and 9,116.97

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Solution

The fourth proportional to 28,838.41, 43,257.35 and 9,116.97 is: 13,675.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,838.41 : 43,257.35 = 9,116.97 : x
  2. Step 2: Convert to fraction form
    28,838.41/43,257.35 = 9,116.97/x
  3. Step 3: Cross multiply
    28,838.41x = 43,257.35 × 9,116.97
  4. Step 4: Simplify right side
    28,838.41x = 394,376,040.49
  5. Step 5: Solve for x
    x = 394,376,040.49/28,838.41
  6. Step 6: Final answer
    x = 13,675.37

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Half scale
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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.