Home / 27,579.52-38,059.84-15,004.32

Finding the Fourth Proportional to 27,579.52, 38,059.84 and 15,004.32

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Solution

The fourth proportional to 27,579.52, 38,059.84 and 15,004.32 is: 20,706.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,579.52 : 38,059.84 = 15,004.32 : x
  2. Step 2: Convert to fraction form
    27,579.52/38,059.84 = 15,004.32/x
  3. Step 3: Cross multiply
    27,579.52x = 38,059.84 × 15,004.32
  4. Step 4: Simplify right side
    27,579.52x = 571,062,018.51
  5. Step 5: Solve for x
    x = 571,062,018.51/27,579.52
  6. Step 6: Final answer
    x = 20,706.02

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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.