Home / 27,735.76-38,274.54-15,160.50

Finding the Fourth Proportional to 27,735.76, 38,274.54 and 15,160.50

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Solution

The fourth proportional to 27,735.76, 38,274.54 and 15,160.50 is: 20,921.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,735.76 : 38,274.54 = 15,160.50 : x
  2. Step 2: Convert to fraction form
    27,735.76/38,274.54 = 15,160.50/x
  3. Step 3: Cross multiply
    27,735.76x = 38,274.54 × 15,160.50
  4. Step 4: Simplify right side
    27,735.76x = 580,261,163.67
  5. Step 5: Solve for x
    x = 580,261,163.67/27,735.76
  6. Step 6: Final answer
    x = 20,921.05

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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.