Home / 27,639.18-41,430.21-12,836.04

Finding the Fourth Proportional to 27,639.18, 41,430.21 and 12,836.04

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Solution

The fourth proportional to 27,639.18, 41,430.21 and 12,836.04 is: 19,240.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,639.18 : 41,430.21 = 12,836.04 : x
  2. Step 2: Convert to fraction form
    27,639.18/41,430.21 = 12,836.04/x
  3. Step 3: Cross multiply
    27,639.18x = 41,430.21 × 12,836.04
  4. Step 4: Simplify right side
    27,639.18x = 531,799,832.77
  5. Step 5: Solve for x
    x = 531,799,832.77/27,639.18
  6. Step 6: Final answer
    x = 19,240.80

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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.