Home / 28,989.26-43,496.39-15,659.61

Finding the Fourth Proportional to 28,989.26, 43,496.39 and 15,659.61

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Solution

The fourth proportional to 28,989.26, 43,496.39 and 15,659.61 is: 23,496.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,989.26 : 43,496.39 = 15,659.61 : x
  2. Step 2: Convert to fraction form
    28,989.26/43,496.39 = 15,659.61/x
  3. Step 3: Cross multiply
    28,989.26x = 43,496.39 × 15,659.61
  4. Step 4: Simplify right side
    28,989.26x = 681,136,503.81
  5. Step 5: Solve for x
    x = 681,136,503.81/28,989.26
  6. Step 6: Final answer
    x = 23,496.17

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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.