Home / 28,738.76-39,660.60-17,401.84

Finding the Fourth Proportional to 28,738.76, 39,660.60 and 17,401.84

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Solution

The fourth proportional to 28,738.76, 39,660.60 and 17,401.84 is: 24,015.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,738.76 : 39,660.60 = 17,401.84 : x
  2. Step 2: Convert to fraction form
    28,738.76/39,660.60 = 17,401.84/x
  3. Step 3: Cross multiply
    28,738.76x = 39,660.60 × 17,401.84
  4. Step 4: Simplify right side
    28,738.76x = 690,167,558.16
  5. Step 5: Solve for x
    x = 690,167,558.16/28,738.76
  6. Step 6: Final answer
    x = 24,015.22

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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.