Home / 27,071.88-37,360.62-15,135.36

Finding the Fourth Proportional to 27,071.88, 37,360.62 and 15,135.36

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Solution

The fourth proportional to 27,071.88, 37,360.62 and 15,135.36 is: 20,887.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,071.88 : 37,360.62 = 15,135.36 : x
  2. Step 2: Convert to fraction form
    27,071.88/37,360.62 = 15,135.36/x
  3. Step 3: Cross multiply
    27,071.88x = 37,360.62 × 15,135.36
  4. Step 4: Simplify right side
    27,071.88x = 565,466,433.52
  5. Step 5: Solve for x
    x = 565,466,433.52/27,071.88
  6. Step 6: Final answer
    x = 20,887.59

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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.