Home / 27,930.53-38,537.69-17,315.07

Finding the Fourth Proportional to 27,930.53, 38,537.69 and 17,315.07

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Solution

The fourth proportional to 27,930.53, 38,537.69 and 17,315.07 is: 23,890.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,930.53 : 38,537.69 = 17,315.07 : x
  2. Step 2: Convert to fraction form
    27,930.53/38,537.69 = 17,315.07/x
  3. Step 3: Cross multiply
    27,930.53x = 38,537.69 × 17,315.07
  4. Step 4: Simplify right side
    27,930.53x = 667,282,713.41
  5. Step 5: Solve for x
    x = 667,282,713.41/27,930.53
  6. Step 6: Final answer
    x = 23,890.80

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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.