Home / 20,468.46-28,260.18-15,452.94

Finding the Fourth Proportional to 20,468.46, 28,260.18 and 15,452.94

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Solution

The fourth proportional to 20,468.46, 28,260.18 and 15,452.94 is: 21,335.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,468.46 : 28,260.18 = 15,452.94 : x
  2. Step 2: Convert to fraction form
    20,468.46/28,260.18 = 15,452.94/x
  3. Step 3: Cross multiply
    20,468.46x = 28,260.18 × 15,452.94
  4. Step 4: Simplify right side
    20,468.46x = 436,702,865.93
  5. Step 5: Solve for x
    x = 436,702,865.93/20,468.46
  6. Step 6: Final answer
    x = 21,335.40

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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.