Home / 27,489.20-41,233.80-12,693.74

Finding the Fourth Proportional to 27,489.20, 41,233.80 and 12,693.74

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Solution

The fourth proportional to 27,489.20, 41,233.80 and 12,693.74 is: 19,040.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,489.20 : 41,233.80 = 12,693.74 : x
  2. Step 2: Convert to fraction form
    27,489.20/41,233.80 = 12,693.74/x
  3. Step 3: Cross multiply
    27,489.20x = 41,233.80 × 12,693.74
  4. Step 4: Simplify right side
    27,489.20x = 523,411,136.41
  5. Step 5: Solve for x
    x = 523,411,136.41/27,489.20
  6. Step 6: Final answer
    x = 19,040.61

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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.