Home / 27,801.56-38,366.20-15,054.88

Finding the Fourth Proportional to 27,801.56, 38,366.20 and 15,054.88

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Solution

The fourth proportional to 27,801.56, 38,366.20 and 15,054.88 is: 20,775.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,801.56 : 38,366.20 = 15,054.88 : x
  2. Step 2: Convert to fraction form
    27,801.56/38,366.20 = 15,054.88/x
  3. Step 3: Cross multiply
    27,801.56x = 38,366.20 × 15,054.88
  4. Step 4: Simplify right side
    27,801.56x = 577,598,537.06
  5. Step 5: Solve for x
    x = 577,598,537.06/27,801.56
  6. Step 6: Final answer
    x = 20,775.76

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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.