Home / 20,282.83-27,998.93-12,327.62

Finding the Fourth Proportional to 20,282.83, 27,998.93 and 12,327.62

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Solution

The fourth proportional to 20,282.83, 27,998.93 and 12,327.62 is: 17,017.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,282.83 : 27,998.93 = 12,327.62 : x
  2. Step 2: Convert to fraction form
    20,282.83/27,998.93 = 12,327.62/x
  3. Step 3: Cross multiply
    20,282.83x = 27,998.93 × 12,327.62
  4. Step 4: Simplify right side
    20,282.83x = 345,160,060.27
  5. Step 5: Solve for x
    x = 345,160,060.27/20,282.83
  6. Step 6: Final answer
    x = 17,017.35

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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.