Home / 27,724.50-38,260.76-15,150.06

Finding the Fourth Proportional to 27,724.50, 38,260.76 and 15,150.06

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Solution

The fourth proportional to 27,724.50, 38,260.76 and 15,150.06 is: 20,907.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,724.50 : 38,260.76 = 15,150.06 : x
  2. Step 2: Convert to fraction form
    27,724.50/38,260.76 = 15,150.06/x
  3. Step 3: Cross multiply
    27,724.50x = 38,260.76 × 15,150.06
  4. Step 4: Simplify right side
    27,724.50x = 579,652,733.90
  5. Step 5: Solve for x
    x = 579,652,733.90/27,724.50
  6. Step 6: Final answer
    x = 20,907.60

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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.