Home / 28,552.41-39,401.49-15,806.10

Finding the Fourth Proportional to 28,552.41, 39,401.49 and 15,806.10

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Solution

The fourth proportional to 28,552.41, 39,401.49 and 15,806.10 is: 21,811.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,552.41 : 39,401.49 = 15,806.10 : x
  2. Step 2: Convert to fraction form
    28,552.41/39,401.49 = 15,806.10/x
  3. Step 3: Cross multiply
    28,552.41x = 39,401.49 × 15,806.10
  4. Step 4: Simplify right side
    28,552.41x = 622,783,891.09
  5. Step 5: Solve for x
    x = 622,783,891.09/28,552.41
  6. Step 6: Final answer
    x = 21,811.96

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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.