Home / 27,308.20-40,962.30-9,771.70

Finding the Fourth Proportional to 27,308.20, 40,962.30 and 9,771.70

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Solution

The fourth proportional to 27,308.20, 40,962.30 and 9,771.70 is: 14,657.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,308.20 : 40,962.30 = 9,771.70 : x
  2. Step 2: Convert to fraction form
    27,308.20/40,962.30 = 9,771.70/x
  3. Step 3: Cross multiply
    27,308.20x = 40,962.30 × 9,771.70
  4. Step 4: Simplify right side
    27,308.20x = 400,271,306.91
  5. Step 5: Solve for x
    x = 400,271,306.91/27,308.20
  6. Step 6: Final answer
    x = 14,657.55

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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.