Home / 27,928.17-38,541.26-15,181.60

Finding the Fourth Proportional to 27,928.17, 38,541.26 and 15,181.60

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Solution

The fourth proportional to 27,928.17, 38,541.26 and 15,181.60 is: 20,950.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,928.17 : 38,541.26 = 15,181.60 : x
  2. Step 2: Convert to fraction form
    27,928.17/38,541.26 = 15,181.60/x
  3. Step 3: Cross multiply
    27,928.17x = 38,541.26 × 15,181.60
  4. Step 4: Simplify right side
    27,928.17x = 585,117,992.82
  5. Step 5: Solve for x
    x = 585,117,992.82/27,928.17
  6. Step 6: Final answer
    x = 20,950.82

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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.