Home / 13,750.80-20,626.28-3,362.52

Finding the Fourth Proportional to 13,750.80, 20,626.28 and 3,362.52

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Solution

The fourth proportional to 13,750.80, 20,626.28 and 3,362.52 is: 5,043.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,750.80 : 20,626.28 = 3,362.52 : x
  2. Step 2: Convert to fraction form
    13,750.80/20,626.28 = 3,362.52/x
  3. Step 3: Cross multiply
    13,750.80x = 20,626.28 × 3,362.52
  4. Step 4: Simplify right side
    13,750.80x = 69,356,279.03
  5. Step 5: Solve for x
    x = 69,356,279.03/13,750.80
  6. Step 6: Final answer
    x = 5,043.80

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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.