Home / 20,446.80-30,593.40-18,603.60

Finding the Fourth Proportional to 20,446.80, 30,593.40 and 18,603.60

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Solution

The fourth proportional to 20,446.80, 30,593.40 and 18,603.60 is: 27,835.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,446.80 : 30,593.40 = 18,603.60 : x
  2. Step 2: Convert to fraction form
    20,446.80/30,593.40 = 18,603.60/x
  3. Step 3: Cross multiply
    20,446.80x = 30,593.40 × 18,603.60
  4. Step 4: Simplify right side
    20,446.80x = 569,147,376.24
  5. Step 5: Solve for x
    x = 569,147,376.24/20,446.80
  6. Step 6: Final answer
    x = 27,835.52

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1.5x scale

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.