Home / 20,595.92-28,401.04-17,621.60

Finding the Fourth Proportional to 20,595.92, 28,401.04 and 17,621.60

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Solution

The fourth proportional to 20,595.92, 28,401.04 and 17,621.60 is: 24,299.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,595.92 : 28,401.04 = 17,621.60 : x
  2. Step 2: Convert to fraction form
    20,595.92/28,401.04 = 17,621.60/x
  3. Step 3: Cross multiply
    20,595.92x = 28,401.04 × 17,621.60
  4. Step 4: Simplify right side
    20,595.92x = 500,471,766.46
  5. Step 5: Solve for x
    x = 500,471,766.46/20,595.92
  6. Step 6: Final answer
    x = 24,299.56

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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.