Home / 27,757.20-38,305.08-15,010.36

Finding the Fourth Proportional to 27,757.20, 38,305.08 and 15,010.36

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Solution

The fourth proportional to 27,757.20, 38,305.08 and 15,010.36 is: 20,714.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,757.20 : 38,305.08 = 15,010.36 : x
  2. Step 2: Convert to fraction form
    27,757.20/38,305.08 = 15,010.36/x
  3. Step 3: Cross multiply
    27,757.20x = 38,305.08 × 15,010.36
  4. Step 4: Simplify right side
    27,757.20x = 574,973,040.63
  5. Step 5: Solve for x
    x = 574,973,040.63/27,757.20
  6. Step 6: Final answer
    x = 20,714.37

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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.