Home / 28,856.46-43,285.97-9,136.47

Finding the Fourth Proportional to 28,856.46, 43,285.97 and 9,136.47

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Solution

The fourth proportional to 28,856.46, 43,285.97 and 9,136.47 is: 13,705.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,856.46 : 43,285.97 = 9,136.47 : x
  2. Step 2: Convert to fraction form
    28,856.46/43,285.97 = 9,136.47/x
  3. Step 3: Cross multiply
    28,856.46x = 43,285.97 × 9,136.47
  4. Step 4: Simplify right side
    28,856.46x = 395,480,966.33
  5. Step 5: Solve for x
    x = 395,480,966.33/28,856.46
  6. Step 6: Final answer
    x = 13,705.11

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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.