Home / 27,756.53-38,302.61-17,147.09

Finding the Fourth Proportional to 27,756.53, 38,302.61 and 17,147.09

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Solution

The fourth proportional to 27,756.53, 38,302.61 and 17,147.09 is: 23,662.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,756.53 : 38,302.61 = 17,147.09 : x
  2. Step 2: Convert to fraction form
    27,756.53/38,302.61 = 17,147.09/x
  3. Step 3: Cross multiply
    27,756.53x = 38,302.61 × 17,147.09
  4. Step 4: Simplify right side
    27,756.53x = 656,778,215.17
  5. Step 5: Solve for x
    x = 656,778,215.17/27,756.53
  6. Step 6: Final answer
    x = 23,662.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.