Home / 28,408.23-39,202.74-16,471.26

Finding the Fourth Proportional to 28,408.23, 39,202.74 and 16,471.26

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Solution

The fourth proportional to 28,408.23, 39,202.74 and 16,471.26 is: 22,729.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,408.23 : 39,202.74 = 16,471.26 : x
  2. Step 2: Convert to fraction form
    28,408.23/39,202.74 = 16,471.26/x
  3. Step 3: Cross multiply
    28,408.23x = 39,202.74 × 16,471.26
  4. Step 4: Simplify right side
    28,408.23x = 645,718,523.25
  5. Step 5: Solve for x
    x = 645,718,523.25/28,408.23
  6. Step 6: Final answer
    x = 22,729.98

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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.