Home / 27,992.06-38,627.28-15,416.81

Finding the Fourth Proportional to 27,992.06, 38,627.28 and 15,416.81

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Solution

The fourth proportional to 27,992.06, 38,627.28 and 15,416.81 is: 21,274.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,992.06 : 38,627.28 = 15,416.81 : x
  2. Step 2: Convert to fraction form
    27,992.06/38,627.28 = 15,416.81/x
  3. Step 3: Cross multiply
    27,992.06x = 38,627.28 × 15,416.81
  4. Step 4: Simplify right side
    27,992.06x = 595,509,243.44
  5. Step 5: Solve for x
    x = 595,509,243.44/27,992.06
  6. Step 6: Final answer
    x = 21,274.22

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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.