Home / 27,847.54-38,428.77-15,272.02

Finding the Fourth Proportional to 27,847.54, 38,428.77 and 15,272.02

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Solution

The fourth proportional to 27,847.54, 38,428.77 and 15,272.02 is: 21,074.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,847.54 : 38,428.77 = 15,272.02 : x
  2. Step 2: Convert to fraction form
    27,847.54/38,428.77 = 15,272.02/x
  3. Step 3: Cross multiply
    27,847.54x = 38,428.77 × 15,272.02
  4. Step 4: Simplify right side
    27,847.54x = 586,884,944.02
  5. Step 5: Solve for x
    x = 586,884,944.02/27,847.54
  6. Step 6: Final answer
    x = 21,074.93

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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.