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Finding the Fourth Proportional to 27,492.86, 41,219.10 and 8,762.12

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Solution

The fourth proportional to 27,492.86, 41,219.10 and 8,762.12 is: 13,136.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,492.86 : 41,219.10 = 8,762.12 : x
  2. Step 2: Convert to fraction form
    27,492.86/41,219.10 = 8,762.12/x
  3. Step 3: Cross multiply
    27,492.86x = 41,219.10 × 8,762.12
  4. Step 4: Simplify right side
    27,492.86x = 361,166,700.49
  5. Step 5: Solve for x
    x = 361,166,700.49/27,492.86
  6. Step 6: Final answer
    x = 13,136.75

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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.