Home / 27,078.88-37,365.28-15,141.76

Finding the Fourth Proportional to 27,078.88, 37,365.28 and 15,141.76

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Solution

The fourth proportional to 27,078.88, 37,365.28 and 15,141.76 is: 20,893.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,078.88 : 37,365.28 = 15,141.76 : x
  2. Step 2: Convert to fraction form
    27,078.88/37,365.28 = 15,141.76/x
  3. Step 3: Cross multiply
    27,078.88x = 37,365.28 × 15,141.76
  4. Step 4: Simplify right side
    27,078.88x = 565,776,102.09
  5. Step 5: Solve for x
    x = 565,776,102.09/27,078.88
  6. Step 6: Final answer
    x = 20,893.63

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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.