Home / 28,774.40-43,075.20-17,081.60

Finding the Fourth Proportional to 28,774.40, 43,075.20 and 17,081.60

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Solution

The fourth proportional to 28,774.40, 43,075.20 and 17,081.60 is: 25,571.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,774.40 : 43,075.20 = 17,081.60 : x
  2. Step 2: Convert to fraction form
    28,774.40/43,075.20 = 17,081.60/x
  3. Step 3: Cross multiply
    28,774.40x = 43,075.20 × 17,081.60
  4. Step 4: Simplify right side
    28,774.40x = 735,793,336.32
  5. Step 5: Solve for x
    x = 735,793,336.32/28,774.40
  6. Step 6: Final answer
    x = 25,571.11

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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.