Home / 27,817.57-41,720.89-17,817.72

Finding the Fourth Proportional to 27,817.57, 41,720.89 and 17,817.72

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Solution

The fourth proportional to 27,817.57, 41,720.89 and 17,817.72 is: 26,723.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,817.57 : 41,720.89 = 17,817.72 : x
  2. Step 2: Convert to fraction form
    27,817.57/41,720.89 = 17,817.72/x
  3. Step 3: Cross multiply
    27,817.57x = 41,720.89 × 17,817.72
  4. Step 4: Simplify right side
    27,817.57x = 743,371,136.17
  5. Step 5: Solve for x
    x = 743,371,136.17/27,817.57
  6. Step 6: Final answer
    x = 26,723.08

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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.