Home / 27,115.71-37,415.75-15,176.85

Finding the Fourth Proportional to 27,115.71, 37,415.75 and 15,176.85

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Solution

The fourth proportional to 27,115.71, 37,415.75 and 15,176.85 is: 20,941.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,115.71 : 37,415.75 = 15,176.85 : x
  2. Step 2: Convert to fraction form
    27,115.71/37,415.75 = 15,176.85/x
  3. Step 3: Cross multiply
    27,115.71x = 37,415.75 × 15,176.85
  4. Step 4: Simplify right side
    27,115.71x = 567,853,225.39
  5. Step 5: Solve for x
    x = 567,853,225.39/27,115.71
  6. Step 6: Final answer
    x = 20,941.85

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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.