Home / 20,268.44-30,378.03-14,347.07

Finding the Fourth Proportional to 20,268.44, 30,378.03 and 14,347.07

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Solution

The fourth proportional to 20,268.44, 30,378.03 and 14,347.07 is: 21,503.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,268.44 : 30,378.03 = 14,347.07 : x
  2. Step 2: Convert to fraction form
    20,268.44/30,378.03 = 14,347.07/x
  3. Step 3: Cross multiply
    20,268.44x = 30,378.03 × 14,347.07
  4. Step 4: Simplify right side
    20,268.44x = 435,835,722.87
  5. Step 5: Solve for x
    x = 435,835,722.87/20,268.44
  6. Step 6: Final answer
    x = 21,503.17

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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.