Home / 27,652.32-38,160.24-15,719.60

Finding the Fourth Proportional to 27,652.32, 38,160.24 and 15,719.60

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Solution

The fourth proportional to 27,652.32, 38,160.24 and 15,719.60 is: 21,693.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,652.32 : 38,160.24 = 15,719.60 : x
  2. Step 2: Convert to fraction form
    27,652.32/38,160.24 = 15,719.60/x
  3. Step 3: Cross multiply
    27,652.32x = 38,160.24 × 15,719.60
  4. Step 4: Simplify right side
    27,652.32x = 599,863,708.70
  5. Step 5: Solve for x
    x = 599,863,708.70/27,652.32
  6. Step 6: Final answer
    x = 21,693.07

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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.