Home / 27,078.72-37,353.61-15,746.97

Finding the Fourth Proportional to 27,078.72, 37,353.61 and 15,746.97

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Solution

The fourth proportional to 27,078.72, 37,353.61 and 15,746.97 is: 21,722.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,078.72 : 37,353.61 = 15,746.97 : x
  2. Step 2: Convert to fraction form
    27,078.72/37,353.61 = 15,746.97/x
  3. Step 3: Cross multiply
    27,078.72x = 37,353.61 × 15,746.97
  4. Step 4: Simplify right side
    27,078.72x = 588,205,989.29
  5. Step 5: Solve for x
    x = 588,205,989.29/27,078.72
  6. Step 6: Final answer
    x = 21,722.08

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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.