Home / 25,711.62-38,567.04-8,181.18

Finding the Fourth Proportional to 25,711.62, 38,567.04 and 8,181.18

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Solution

The fourth proportional to 25,711.62, 38,567.04 and 8,181.18 is: 12,271.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,711.62 : 38,567.04 = 8,181.18 : x
  2. Step 2: Convert to fraction form
    25,711.62/38,567.04 = 8,181.18/x
  3. Step 3: Cross multiply
    25,711.62x = 38,567.04 × 8,181.18
  4. Step 4: Simplify right side
    25,711.62x = 315,523,896.31
  5. Step 5: Solve for x
    x = 315,523,896.31/25,711.62
  6. Step 6: Final answer
    x = 12,271.65

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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.