Home / 28,850.40-43,267.50-14,059.80

Finding the Fourth Proportional to 28,850.40, 43,267.50 and 14,059.80

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Solution

The fourth proportional to 28,850.40, 43,267.50 and 14,059.80 is: 21,085.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,850.40 : 43,267.50 = 14,059.80 : x
  2. Step 2: Convert to fraction form
    28,850.40/43,267.50 = 14,059.80/x
  3. Step 3: Cross multiply
    28,850.40x = 43,267.50 × 14,059.80
  4. Step 4: Simplify right side
    28,850.40x = 608,332,396.50
  5. Step 5: Solve for x
    x = 608,332,396.50/28,850.40
  6. Step 6: Final answer
    x = 21,085.75

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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.