Home / 27,638.26-38,140.98-15,063.04

Finding the Fourth Proportional to 27,638.26, 38,140.98 and 15,063.04

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Solution

The fourth proportional to 27,638.26, 38,140.98 and 15,063.04 is: 20,787.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,638.26 : 38,140.98 = 15,063.04 : x
  2. Step 2: Convert to fraction form
    27,638.26/38,140.98 = 15,063.04/x
  3. Step 3: Cross multiply
    27,638.26x = 38,140.98 × 15,063.04
  4. Step 4: Simplify right side
    27,638.26x = 574,519,107.38
  5. Step 5: Solve for x
    x = 574,519,107.38/27,638.26
  6. Step 6: Final answer
    x = 20,787.09

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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.