Home / 27,579.58-38,060.25-15,004.42

Finding the Fourth Proportional to 27,579.58, 38,060.25 and 15,004.42

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Solution

The fourth proportional to 27,579.58, 38,060.25 and 15,004.42 is: 20,706.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,579.58 : 38,060.25 = 15,004.42 : x
  2. Step 2: Convert to fraction form
    27,579.58/38,060.25 = 15,004.42/x
  3. Step 3: Cross multiply
    27,579.58x = 38,060.25 × 15,004.42
  4. Step 4: Simplify right side
    27,579.58x = 571,071,976.31
  5. Step 5: Solve for x
    x = 571,071,976.31/27,579.58
  6. Step 6: Final answer
    x = 20,706.33

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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.