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Finding the Fourth Proportional to 27,241.69, 40,862.60 and 8,521.85

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Solution

The fourth proportional to 27,241.69, 40,862.60 and 8,521.85 is: 12,782.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,241.69 : 40,862.60 = 8,521.85 : x
  2. Step 2: Convert to fraction form
    27,241.69/40,862.60 = 8,521.85/x
  3. Step 3: Cross multiply
    27,241.69x = 40,862.60 × 8,521.85
  4. Step 4: Simplify right side
    27,241.69x = 348,224,700.89
  5. Step 5: Solve for x
    x = 348,224,700.89/27,241.69
  6. Step 6: Final answer
    x = 12,782.79

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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.