Home / 27,072.54-37,360.88-15,135.91

Finding the Fourth Proportional to 27,072.54, 37,360.88 and 15,135.91

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Solution

The fourth proportional to 27,072.54, 37,360.88 and 15,135.91 is: 20,887.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,072.54 : 37,360.88 = 15,135.91 : x
  2. Step 2: Convert to fraction form
    27,072.54/37,360.88 = 15,135.91/x
  3. Step 3: Cross multiply
    27,072.54x = 37,360.88 × 15,135.91
  4. Step 4: Simplify right side
    27,072.54x = 565,490,804.88
  5. Step 5: Solve for x
    x = 565,490,804.88/27,072.54
  6. Step 6: Final answer
    x = 20,887.98

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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.