Home / 27,629.58-38,128.84-15,054.34

Finding the Fourth Proportional to 27,629.58, 38,128.84 and 15,054.34

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Solution

The fourth proportional to 27,629.58, 38,128.84 and 15,054.34 is: 20,775.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,629.58 : 38,128.84 = 15,054.34 : x
  2. Step 2: Convert to fraction form
    27,629.58/38,128.84 = 15,054.34/x
  3. Step 3: Cross multiply
    27,629.58x = 38,128.84 × 15,054.34
  4. Step 4: Simplify right side
    27,629.58x = 574,004,521.17
  5. Step 5: Solve for x
    x = 574,004,521.17/27,629.58
  6. Step 6: Final answer
    x = 20,775.00

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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.