Home / 27,638.54-38,141.19-15,063.29

Finding the Fourth Proportional to 27,638.54, 38,141.19 and 15,063.29

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Solution

The fourth proportional to 27,638.54, 38,141.19 and 15,063.29 is: 20,787.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,638.54 : 38,141.19 = 15,063.29 : x
  2. Step 2: Convert to fraction form
    27,638.54/38,141.19 = 15,063.29/x
  3. Step 3: Cross multiply
    27,638.54x = 38,141.19 × 15,063.29
  4. Step 4: Simplify right side
    27,638.54x = 574,531,615.21
  5. Step 5: Solve for x
    x = 574,531,615.21/27,638.54
  6. Step 6: Final answer
    x = 20,787.34

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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.