Home / 20,983.25-28,924.07-14,257.01

Finding the Fourth Proportional to 20,983.25, 28,924.07 and 14,257.01

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Solution

The fourth proportional to 20,983.25, 28,924.07 and 14,257.01 is: 19,652.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,983.25 : 28,924.07 = 14,257.01 : x
  2. Step 2: Convert to fraction form
    20,983.25/28,924.07 = 14,257.01/x
  3. Step 3: Cross multiply
    20,983.25x = 28,924.07 × 14,257.01
  4. Step 4: Simplify right side
    20,983.25x = 412,370,539.33
  5. Step 5: Solve for x
    x = 412,370,539.33/20,983.25
  6. Step 6: Final answer
    x = 19,652.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.