Home / 28,739.40-43,116.28-22,838.60

Finding the Fourth Proportional to 28,739.40, 43,116.28 and 22,838.60

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Solution

The fourth proportional to 28,739.40, 43,116.28 and 22,838.60 is: 34,263.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,739.40 : 43,116.28 = 22,838.60 : x
  2. Step 2: Convert to fraction form
    28,739.40/43,116.28 = 22,838.60/x
  3. Step 3: Cross multiply
    28,739.40x = 43,116.28 × 22,838.60
  4. Step 4: Simplify right side
    28,739.40x = 984,715,472.41
  5. Step 5: Solve for x
    x = 984,715,472.41/28,739.40
  6. Step 6: Final answer
    x = 34,263.61

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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.