Home / 28,738.50-39,660.26-17,401.59

Finding the Fourth Proportional to 28,738.50, 39,660.26 and 17,401.59

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Solution

The fourth proportional to 28,738.50, 39,660.26 and 17,401.59 is: 24,014.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,738.50 : 39,660.26 = 17,401.59 : x
  2. Step 2: Convert to fraction form
    28,738.50/39,660.26 = 17,401.59/x
  3. Step 3: Cross multiply
    28,738.50x = 39,660.26 × 17,401.59
  4. Step 4: Simplify right side
    28,738.50x = 690,151,657.29
  5. Step 5: Solve for x
    x = 690,151,657.29/28,738.50
  6. Step 6: Final answer
    x = 24,014.88

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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.