Home / 27,724.16-38,260.68-15,150.08

Finding the Fourth Proportional to 27,724.16, 38,260.68 and 15,150.08

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Solution

The fourth proportional to 27,724.16, 38,260.68 and 15,150.08 is: 20,907.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,724.16 : 38,260.68 = 15,150.08 : x
  2. Step 2: Convert to fraction form
    27,724.16/38,260.68 = 15,150.08/x
  3. Step 3: Cross multiply
    27,724.16x = 38,260.68 × 15,150.08
  4. Step 4: Simplify right side
    27,724.16x = 579,652,362.85
  5. Step 5: Solve for x
    x = 579,652,362.85/27,724.16
  6. Step 6: Final answer
    x = 20,907.84

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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.